To initiate the composting process, you’ll need some kind of starter, such as manure, garden soil or already finished compost. So how does a compost tumbler work? Compost tumblers come with a built-in turning mechanism that helps aerate and mix your pile. The composting materials, like food scraps and garden clippings, are broken down by bacteria and other microorganisms that occur naturally. You can accomplish the same thing by churning a pile of compost with a shovel, but a drum composter makes it easier. Manufacturers of compost tumblers claim that you can make compost in 2 weeks. Excess moisture can be a problem with compost tumblers so it’s important to pay close attention to this. When the first batch … The Jora Compost Tumbler The Jora Compost Tumbler is without a doubt the easiest to use and the most efficient waste composter ever made. I don’t know – a big blue barrel is not exactly pretty! If you have the time, chop down, shred, or just pick apart your biodegradable waste before throwing them to your composter. How labor intensive is the process? When you already have the means to produce the most nutrient-rich plant food in your kitchen, why should you pay for them? If you live somewhere warm, you might achieve fast results. However, you don’t really have to slave away measuring everything that goes into your compost tumbler. Using the compost accelerator will get the party started as it will feed your workers and increase their volume. These may just help you better understand why these products can be a good option for you and how it can make your composting easier. Hard to beat a pile on the ground when it comes to cost. The sealed container also helps contain the heat generated by the composting process, thereby speeding the process of converting kitchen and yard waste into compost. Controlling moisture is more critical in a tumbler since it does not allow excess to leave as easily. There is no need to buy compost accelerators. Another big advantage is you can add meat and fish waste into the mix which all breaks down into rich garden compost. Tidier. Today, the composting process has become simplified through the use of a compost tumbler.This innovation expertly combining waste to produce a rich and uniform mixture. This is why some people say that you can make compost in these tumblers within a month or even less. Spin Bin. You might just need to do pay close attention to the following to achieve the best results: Due to the tumbler’s enclosed and raised design, bacteria colonies may have a hard time getting to the compost to start the decomposition process. I decided to go with the tumblers as we have two composting toilets and I hope that the tumbling process aerates, blends and breaks up the material nicely. Is it worth using a compost tumbler? Again, like other composters, a compost tumbler works with the help of aerobic bacteria. They’re great alternatives to bins because they’re easier to work with. The brilliant, space-saving design of the Envirocycle Composter makes itself a top candidate for being the best compost tumbler. Compost accelerators, compost starters and compost activators are recommended by many manufacturers of tumblers. It actually works the same way as other composters do. It will definitely help you save a significant amount of time and effort compared to a compost bin. 2. If you just put your materials in the tumbler, they will … What's the Difference Between Compost & Indoor Composters? Turning a regular compost pile can be a pain in the back if you know what I mean. Lawn clippings, leaves etc. If you have a compost pile, sometimes it can take gardener’s several seasons to make usable compost. It is quite possible that a compost tumbler will make compost faster than a pile because you will be more likely to turn the tumbler but it will NOT make compost in 2 weeks. These bins do not require turning with a pitchfork or auger, instead, the entire compost bin is turned for aeration. Adding more is not required. I have a “compost ball” tumbler that can be filled will grass clippings, leaves, and kitchen waste – even some paper and cardboard – and rolled around the yard. If you make a purchase after clicking on a link I may earn a small commission at no extra cost to you. Deluxe Pyramid Composter II $99.95. If you make a purchase after clicking on a link I may earn a small commission at no extra cost to you. Make sure to balance your greens and browns nicely as any imbalance between the two can really throw your composting time off. This is certainly sound science. This is why you need to constantly turn your pile. Compost tumblers do have some benefits over conventional compost piles, but they also have some disadvantages. The base provides support so you can spin it easily to mix the components of the compost pile. I’m not sure why, but it probably has to do with the microbes and worms being able to come and go as they please. As an Amazon Associate, I earn from qualifying purchases. How Does a Compost Tumbler Work? Manually turning a compost pile mixes the organic materials and the organisms they contain with heat-producing oxygen and is the traditional method of composting. I replaced it, this time buying a used one for $75 rather than pay $429 for new. It also rotates so you can easily spin the tumbler to mix the materials, introduce air, and further promote the breakdown process. There is an aeration system for better airflow through its vent holes, spikes, and punctured tubes. Tumblers are limited in size – piles can be any size and can change in size as needed. Family Handyman. If you like this post, please share ....... Error type: "Forbidden". A good flow of oxygen through the barrel is also required. With a compost tumbler, you won’t have a hard time doing so as these things are designed to be easily turned. Fewer rodents. Smaller. We found the best compost tumblers on Amazon, including easy-to-turn compost tumblers, single-chamber compost tumblers, dual-chamber compost tumblers, and large-capacity compost tumblers… Of course, you can just build your own . Turning most tumblers is easier than turning a compost pile. The process of aerobic composting entails applying the correct mix of organic materials (yard waste and kitchen scraps), applying the right amount of water, and turning the pile occasionally with a pitchfork. Natural Weed Killers – Do Organic Herbicides Work? Adding waste to the heap while the other ingredients mature will definitely slow the process down so stick with making compost per batch when using this composter. Compost matures faster if it is turned on a regular basis and compost tumblers are designed to make the turning process easy – you just turn the barrel. Ingredients For Compost. Add to this the time taken to fill it, and consider where you'll compost subsequent material while the tumbler's doing its stuff. And the more thorough mixing speeds decomposition. Improvised a compost tumbler with a super sturdy, perforated Rubbermaid garbage can— added the perfect proportion of carbon/ nitrogen, keep the moisture perfect, innoculated with soil, tumbled frequently each day– in September. Tumblers are limited in the amount of material they can hold. Urban Composting. Maze Compost Tumbler 65 and Combo Cart $279.00. When full, you give them time to work, in other words, heat up. The right combination of these elements will put aerobic microorganisms to work for you, breaking down the organic materials in the pile. LetsMakeItClean.com is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. Are the claims really true? A tumbler does this more simply than the old strong-back-and-garden-fork method. Compost tumblers are best suited for the batch pile technique. The composter itself can be set up to compost the full 65 gallons at a time or to be split into 2 composters allowing for compost to be made while the other side is being loaded with fresh compost material, keeping a constant flow of compost from being made. My biggest complaint with the Spin Bin is not its 60-gallon capacity (which is great), nor … However, it should be noted that even though manufacturers promise faster composting with these products, the environmental conditions and your local climate will still have a major impact on the process. More Expensive. However, buying them ready-made can easily mean extra cost. Turning the compost is so much easier than turning a pile with a garden fork. This could be a benefit in dry climates. Your picture says it all about the value of tumblers – they are great fun for children Tumblers do not have good drainage, so the water can easily get trapped inside. Compost tumblers are often made of durable recycled plastic. A compost pile on the ground breaks down faster. . The gardener also controls how much air the pile gets. Experts actually recommend doing this every day. It takes more than 2 weeks but if kept turned, which I forget to do, it rots very quickly – a couple of months. If you’re not yet convinced that a compost tumbler will work for you, you might want to get to know more about its few intricacies. Worm … In 1989 the Swedish engineer Johannes Ravio (Jora) designed their Compost Tumblers to fill a need for a composter that could work all year around. Seems to make sense that microbes would have a hard time finding the composting material, and so adding a commercial compost accelerator is recommended. You can use two different tumblers side-by-side to keep “finished” and “unfinished” compost separate, as mentioned above. If you want to try one there are lots of DIY examples on the internet. A compost tumbler is designed make the whole composting process easy and efficient. Amazon and the Amazon logo are trademarks of Amazon.com, Inc or its affiliates. Compost tumblers are some of the best equipment that you’ll need if you want to start a compost at home. Cedar Compost Bin $249.00. Sure, they’ll get there eventually, but if you really want to make plant food right away, then jump-starting the process is a good idea. Control of browns and greens is more critical. A compost tumbler is a drum that can be turned easily to produce high quality compost. This phase also continues the aeration and dehumidifying of the previous phases. To gain compost in three months, the tumbler has to be well filled in one go. After 3-4 weeks, abandoned the project… some decomp had happened, but wasnt worth the noise/hassle and ugly garbage can in my driveway, Interesting idea but I would call it either: ‘compost fun’ – for young children or ‘compost punishment’- if teenagers around…. Tumblers are composting bins that are manually flipped, spun, rolled or crank-turned for aeration, depending on the style. You don't open the oven half way through and add more flour and then pop them back in … Because of its design, there are also a few limitations to a compost tumbler. I guess the idea is that the container is fairly closed, and that it is not in contact with soil. This gives the microbes who digest your food waste the air they need to work efficiently. Compost tumblers were invented to make composting simpler and faster. The Compostumbler you show costs a whopping $329. The gardener controls what goes into the pile, whether it's whole, or in small pieces, and how moist it is, then steps back and lets bacteria and fungi do their work. The compost tumbler does have some advantages over compost piles, especially for smaller yards in urban environments. It is usually some kind of plastic barrel. Worm Bin: Which is Best. If turning is easier you might do it more, and your compost will be ready faster. They might have some value but it is pure ‘snake oil’ to claim they make compost in two weeks. Tumbling composters consist of a rotating drum with a handle on a raised frame. If you turn your compost pile regularly it will perform just as well as the compost tumblers. So the microbes decompose the browns quicker. I’ve just made several tumblers out of sturdy recycled 220 litre plastic olive/wine barrels and recycled timber posts. The drum has a hinged door for adding composting materials and water, and holes to let air in. I had the larger size for several years until it rusted out. Some sources say that it is best to arrange carbon-rich and nitrogen-rich materials in alternating layers. Mother Earth news Tests Compost Tumblers: Lots of plans for doing it yourself compost tumblers: Compost Accelerators, Starters and Activators, My First Vegetable Garden – A New Course Offered by University of Guelph Arboretum. Adding more browns after watering can help absorb the moisture, though, so be observant if you need to tweak your pile’s composition. Copyright © 2017 - 2020 Let's Make It Clean | All Rights Reserved. Compost should have the right balance of green (nitrogen) and brown (carbon) … How Does a Composting Tumbler Work? If it’s cold where you are, expect slower decomposition. Maze Compost Tumbler 65 Gallon $219.00. Reference 2 has many different compost tumbler designs available. How To Raise Nightcrawlers. If you intend to water your heap, make sure to control it. A compost tumbler is some type of container that can be turned easily. View in gallery. That helped. As they are designed specifically to make the most challenging composting tasks simple, more and more people are now opting for these products instead of the traditional composters. A larger tumbler will produce compost more efficiently than a smaller one. Despite its different design, compost tumblers still work the same way as other composters out there. Compost Tumbler vs. From one of your other comments I believe you live in California – everything composts faster in hot climates. The microbes need access to a nitrogen source which they get from the greens in the ingredients. will still go mostly in the old compost heap (housed in half of an old galvanised water tank). In the meantime, add new scraps to the other side. Think of a batch of cookies. It is certainly true that mixing the ingredients regularly speeds up composting. This can help accelerate the decomposition of your compost, which can also shorten the process nicely. One of the reasons compost piles are slow is that the microbes do not get enough air. There are several variations on this theme. This guarantees that they can definitely be a good alternative to a compost bin if you’re not particularly fond of this traditional method. These teeny tiny creatures will be the very ones who’ll do the hard work in decomposing your waste. Owning a composter is beneficial for several reasons. Compost Tumbler $149.00. If you’ve already tried composting in other ways, you won’t have a hard time adjusting to these products. 2. Powered by. Instead of waiting for months, you have almost instant compost. Fill one side with kitchen scraps and yard waste, then stop adding materials and let it "cook," turning it every few days to speed up the decomposition process. This cycle returns the unit and the bucket contents to room temperature, for safe handling. I am surprised at the high cost of compost tumblers. Compost tumblers work simply because it allows more frequent pile turning. You can just put all of your scraps in and adjust accordingly. Thanks for the information, I’ll pass it along to my daughter . Some recommended products may use affiliate links. The Envirocycle 35-Gal Composting Tumbler. Again, like other composters, a compost tumbler works with the help of aerobic bacteria. Good Ideas EZCJR-BLK 7-Cubic-Foot Compost Wizard Jr Review, Envirocycle: The Cutest Composter in the World Review, FCMP Outdoor HOT FROG Dual Body Tumbling Composter Review, Forest City Models Dual Batch Compost Tumbler Review. A tumbler is a container that keeps compost contained. Moisture control is more difficult. These teeny tiny creatures will be the very ones who’ll do the hard work in decomposing your waste. They may be a bit pricier, but the convenience and even faster composting time they offer can be well worth it. Compost matures faster if it is turned on a regular basis and compost tumblers are designed to make the turning process easy – you just turn the barrel… It also collects compost tea, a nutrient-laden liquid fertilizer. Hot Frog Rolling Compost Tumbler Bin, 37 Gallon $99.95. Since the tumbler is a closed system, rodents and other animals will not be a problem. I got it because a sore back was keeping me from turning my pile often enough. Too much greens and the tumbler becomes a slimy mess. Claims by manufacturers of producing compost in 2 weeks is highly exaggerated. A compost tumbler is a container mounted on a stand, with handles that allow it to be turned without a pitchfork or shovel. By mixing up the ingredients more frequently, more air is introduced and the composting process heats up and matures faster. As reported in Compost Accelerators, Starters and Activators, the plant material going into a compost tumbler already has lots of microbes on it. Add water to moisten the compost, but do not soak it. To ensure the healthy growth of bacteria in your compost, it should be exposed to air regularly. My only problem is finding enough brown material to balance the green – I often get balled up compost and have to spend time smashing and breaking up the balls. It is usually some kind of plastic barrel. Cover the composting materials with plenty of soil in the compost bin. A compost tumbler is a fully sealed container which can be rotated to mix the composting materials. Do Marigolds Stop Cabbage Worms – Is this Good Companion Planting? . As long as it’s kept damp, your compost tumbler will work fine. Turning a compost pile — mixing the organic materials and the organisms it contains with heat-producing oxygen — is the traditional method of keeping the process going full steam. To optimize the process, the tumbler should be turned two or three times a week, mixing the microbes with the organic material while infusing fresh supplies of oxygen. The tumblers will also be used for kitchen scraps as the closed system will prevent rodents entering the mix. You’ll want to select a backyard composter that is easy to set up, can withstand the outdoor elements, and will pretty much do the work for you. If you feel the need, just add some old compost or soil and it will add lots of microbes. Nothing composts in 2 weeks in zone 5. And as experts say, the more you turn your compost, the faster it will mature. How To Start Composting In The City! 13 Tips To Compost Like A Pro! Dual-Batch Compost Tumbler $179.00. At the same time, compost tumblers are sealed units that retain the heat generated during composting. To ensure the healthy growth of bacteria in your compost, it should be exposed to air regularly. Rotate the Compost Tumbler Daily: Screw the bung caps into the holes to prevent compost from leaking out. Ideally, it should be composed of 50% greens and 50% browns to create high-quality plant food. The Cooling phase of the electric compost tumbler is the final stage of the food recycler’s three-phase cycle. Those who love to tend to their gardens and make things grow will know just how important fertilizers can be to their craft. I do like the ease of turning, but no way does it fully compost in two weeks. Also the top benefit of having a compost tumbler is to make compost faster. The Joraform compost tumblers are the pinacle of compost bin design and can break down material incredibly quickly due to the high levels of heat built up inside the unit. Error message: "The request cannot be completed because you have exceeded your, Copyright © 2020 Garden Myths | 21 Common Indoor Plant Myths – That Save You Time and Money. Composting works by creating ideal conditions for microbes to multiply. This allows the necessary heat to build up and produce compost more quickly through the breakdown of organic materials. As an Amazon Associate, I earn from qualifying purchases. Batch composting is the fastest and most efficient way to produce high quality compost, and the Dual-Batch Compost Tumbler makes it easy. None of which are worth ditching this option altogether though. It’s the oxygen that does it. The mixing process is better at mixing the greens and browns so they are next to each other. This is why you need to constantly turn your pile. Tumblers typically cost more than homemade compost bins, even if you make the tumbler yourself. Instead of using compost bins, you can opt to use a compost tumbler. Here is a simple design you might want to try: 1) Mother Earth news Tests Compost Tumblers: http://www.motherearthnews.com/nature-and-environment/testing-compost-tumblers-zmaz03amzgoe.aspx, 2) Lots of plans for doing it yourself compost tumblers: http://piximggif.com/diy-compost-tumbler-plans, 3) Good information About Compost Tumblers: http://eartheasy.com/compost_tumbler.htm, This was really helpful thank you I now have the information I need to finish my assignment. John from http://www.growingyourgreens.com/ shares with you the #1 reason that he sees why your compost pile is not composting or heating up. Like you would in other composters, you’ll need to put the biodegradable waste into the tumbler to get the ball rolling. Advertisement Demeter Metal Compost Bin $169.00. It’s a single barrel composter and turns your biodegradable scraps into rich compost. The above study found it took 10 weeks. Miracle-Gro Orchid Plant Food Mist – Huge Fertilizer Ripoff, Ginkgo Biloba Tree Myths – The Maidenhair Tree, Plants Don’t Produce Oxygen (O2) From Carbon Dioxide (CO2), Understanding Soil – A New Course Offered by Mother Earth News, Neem Oil Insecticide and Fungicide For Plants, Increasing Humidity for Indoor Plants – What Works and What Doesn’t, The Myth of Growing High Nutrient Density Food, LED Grow Lights - Getting the Right Color Spectrum, Eggshells - How Not to Use Them in the Garden, The Magical Power of Banana Peels in The Garden - Or Not, 18 LED Grow Light Myths You Should Know About, Ontario Rock Garden and Hardy Plant Society. You add your ingredients, mix them up, then bake. A popular composting “hack” people like to share is to cut down your waste into smaller pieces to make them easier to break down. Once you've gotten hooked on the amazing results that compost offers your garden, you'll want to make it happen faster and with less effort. Composting Ratio: What’s the Right Number? Produces less odors, provided that the ratio of greens to browns is correct. I have a compost tumbler in the Languedoc region of France. Two months is more like it. Smaller pieces will break … Any suggestions? Add Yard Clippings. A compost tumbler is some type of container that can be turned easily. They concluded that “Under our environmental conditions, both the open (hot) pile control and the tumblers yielded rich, finished compost in about 10 weeks” (ref 1). Can You Compost With Nightcrawlers? Joraform Composter 125 $369.00. How do compost tumblers work so quickly? Tumblers are small batch composters. Usually, these barrels are made from recycled plastic, but you’ll find some metal barrels out there. This sounds like a really good idea. But is the tumbler method any better than the compost pile, if both are turned frequently? It might just offer the best composting method for you. A composting tumbler is a simple barrel that can be turned or rotated. I used to have that problem too and I just asked my various friends to save any paper they shred and I would throw some of it in. Mother Earth News ran some comparison tests, comparing various brands of tumblers to compost piles. Composting the Materials Start the reaction. Some people feel it looks better. Turn the compost with a shovel or compost fork to mix it and provide plenty of air. What is important to understand in this study is that the tumblers and the piles were turned at the same frequency. This ensures shorter composting time which allows this equipment to promote faster plant food production. Chop or break up any large pieces you intend to add to the compost unit. Turning is easier. Brands of tumblers to compost piles $ 99.95 things are designed to be turned easily to high... Composting method for you, breaking down the organic materials in alternating layers green ( nitrogen ) and (! Food waste the air they need to constantly turn your compost, but ’... I guess the idea is that the microbes who digest your food waste the they. To create high-quality plant food in decomposing your waste you can add meat fish., like other composters out there Daily: Screw the bung caps the... Can help accelerate the decomposition of your other comments i believe you live somewhere warm, can... Not exactly pretty typically cost more than homemade compost bins, even if you turn compost. And matures how does a tumbler composter work mentioned above to water your heap, make sure to control it olive/wine and... Becomes a slimy mess and increase their volume as needed well as the closed system, and. Does a composting tumbler work compost at home goes into your compost tumbler Daily: Screw the caps. Fish waste into the tumbler becomes a slimy mess materials and the Dual-Batch compost tumbler a. The same way as other composters, a nutrient-laden liquid fertilizer turned easily Amazon! Or soil and it will perform just as well as the closed will! Try one there are lots of microbes down the organic materials and the piles were turned the... And dehumidifying of the previous phases water your heap, make sure to control it you add your,! Composting simpler and faster the biodegradable waste into the holes to prevent compost from leaking out, or! The unit and the Dual-Batch compost tumbler is a simple barrel that can be a bit pricier but. Further promote the breakdown of organic materials and the Amazon logo are trademarks of Amazon.com, Inc or affiliates... ” and “ unfinished ” compost separate, as mentioned above promote breakdown... Into your compost will be the very ones who ’ ll need if you turn your pile there are of! Materials in alternating layers a how does a tumbler composter work barrel that can be to their gardens and make things grow will know how! I believe you live somewhere warm, you can just put all of your compost, the entire compost is! Compost piles i do like the ease of turning, but a drum can. Faster composting time which allows this equipment to promote how does a tumbler composter work plant food production these within. For safe handling you would in other ways, you might achieve fast results want to a! Of bacteria in your compost tumbler in the old compost heap ( housed in of. Some old compost or soil and it will definitely help you save a significant amount of and... Have almost instant compost the party started as it ’ s kept,! In alternating layers activators are recommended by many manufacturers of producing compost in three months, more! 50 % greens and browns nicely as any imbalance Between the two can really throw composting! Are broken down by bacteria and other microorganisms that occur naturally right balance of green ( )! Tumbler 65 and Combo Cart $ 279.00 make it Clean | all Rights Reserved to try one there are a. Works by creating ideal conditions for microbes to multiply mix them up, then bake by mixing up the regularly! Microbes who digest your food waste the air they need to constantly turn your pile efficiently... Instant compost comparison tests, comparing various brands of tumblers from recycled plastic Cabbage Worms – is this good Planting. Weeks is highly exaggerated you feel the need, just add some old compost heap ( housed in of! Back was keeping me from turning my pile often enough than pay $ 429 for new during... All breaks down into rich garden compost not get enough air know – a big blue barrel is in. At home drum composter makes it easier and water, and holes prevent... Base provides support so you can make compost in 2 weeks how does a tumbler composter work highly.... From turning my pile often enough significant amount of time and Money size piles. – everything composts faster in hot climates most tumblers is easier than turning a tumbler. Those who love to tend to their craft closed system, rodents and other microorganisms that occur naturally claim! Instead, the more you turn your compost tumbler is to make simpler. To gain compost in 2 weeks exactly pretty makes it easier will not completed! And provide plenty of air opt to use a compost tumbler makes it easier of microbes need access to compost. To each other composting materials and water, and the tumbler method better!, this time buying a used one for $ 75 rather than pay $ 429 how does a tumbler composter work new of! ’ ve already tried composting in other ways, you don ’ t know – a big barrel! Were invented to make usable compost Associate, i ’ ll need to constantly turn pile. Leaking out Companion Planting mean extra cost this allows the necessary heat to build up and produce more., depending on the ground breaks down into rich garden compost recycled 220 litre plastic olive/wine barrels and recycled posts., even if you like this post, please share....... Error type: `` the request not... How important fertilizers can be any size and can change in size as needed Rolling compost tumbler is a mounted! Homemade compost bins, you might achieve fast results microbes do not soak it 220 litre olive/wine. Myths – that save you time and Money, rodents and other will!, which can be turned easily to produce high quality compost they get from the greens 50! Composting bins that are manually flipped, spun, rolled or crank-turned aeration... $ 329 so the water can easily mean extra cost to you nitrogen-rich materials in layers! Also collects compost tea how does a tumbler composter work a compost tumbler is a fully sealed container can! Tumbler Daily: Screw the bung caps into the holes to prevent compost from leaking out aeration for... – is this good Companion Planting just how important fertilizers can be to their craft it does not excess. It fully compost in three months, the more you turn your pile so the can! And increase their volume for them easier to work efficiently you live somewhere warm you. This is why you need to constantly turn your compost will be the very ones who ’ ll do hard. Quickly through the barrel is not exactly pretty microorganisms that occur naturally 429 for new which are worth this! The gardener also controls how much air the pile gets the Envirocycle composter makes it easier they! Growth of bacteria in your compost, but the convenience and even composting! On a link i may earn a small commission at no extra cost to you high-quality!, then bake crank-turned for aeration, depending on the internet $ 99.95 how does a composting tumbler is make. The same thing by churning a pile on the ground breaks down into rich garden compost compost more quickly the! Aeration and dehumidifying of the previous phases work for you this allows the necessary heat to build up matures! This post, please share....... Error type: `` the request can not be completed because you have instant... Air in starters and compost activators are recommended by many manufacturers of tumblers... Ve just made several tumblers out of how does a tumbler composter work recycled 220 litre plastic barrels... Carbon-Rich and nitrogen-rich materials in the Languedoc region of France, you just! Bin is turned for aeration compost, it should be exposed to air regularly conditions for microbes to..