FCMP Outdoor IM4000 Double Chamber Rotating Composting Bin, 37-Gallon

Last updated date: April 10, 2022

DWYM Score

8.5

FCMP Outdoor IM4000 Double Chamber Rotating Composting Bin, 37-Gallon

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We looked at the top Composting & Yard Waste Bins and dug through the reviews from some of the most popular review sites. Through this analysis, we've determined the best Composting & Yard Waste Bin you should buy.

Update as May 2, 2022:
Checkout The Best Composting & Yard Waste Bins for a detailed review of all the top composting & yard waste bins.

Overall Take


In our analysis of 20 expert reviews, the FCMP Outdoor IM4000 Double Chamber Rotating Composting Bin, 37-Gallon placed 6th when we looked at the top 7 products in the category. For the full ranking, see below.

From The Manufacturer

Tumbling composter: Avoid digging and mixing your compost pile by hand. The tumbling design makes mixing easy and efficient. Just close the door and turn it 5-6 times every 2-3 days. In hot sunny conditions and with a proper balance of ingredients the compost can finish in as little as 2 weeks. Easy to use: Fantastic for beginners! The large openings and removable door make it easy to add Scraps/clippings and remove finished compost. Deep Fins on the body provide great ergonomic handholds. Two composter chambers are better than one. Two separate sides allow the first side to finish while leaving the second side Available to add fresh Scraps/clippings. Continuously swapping sides after finishing will create an uninterrupted flow of rich, healthy compost. Total capacity 37 gallons (5 cu Ft). Durable construction: BPA free, UV inhibited, 100% post-consumer recycled polypropylene is contact safe and will not degrade under direct sunlight. The galvanized steel frame is corrosion resistant.

Expert Reviews

Expert Summarized Score

9.1
6 expert reviews

User Summarized Score

9.0
14,605 user reviews

What experts liked

The capacity allows for more composting. Ergonomic handle for easy use. Durable construct.
- Garden Gate
One side can be dedicated to active use without interrupting natural processes in the other.
- BestReviews
It has uninterrupted composting. Easy to add and remove scraps. Easy to use. Proper aeration with air vents. Doesn’t degrade under direct sunlight.
- Home Gear Expert
Dual-chambers. Cheap but good composter design. Converts waste to compost well and fast. Heavy-duty. Made from recycled polypropylene free of BPA. Easy tumbling.
- The Tooly
Sleek and sturdy design. Easy to use. Quickly and effectively breaks down food. Doesn’t attract bugs.
- The Spruce
Excellent aeration, easy to use, will not degrade under direct sunlight. Two separate chambers allow for one side to finish while the second is available. Composts quickly in warmer climates with direct sunlight. The barrels fins make it easy to turn. The plastic is all BPA-free, so chemicals won’t leach into your compost.
- Composting Hub

What experts didn't like

Could be larger.
- Garden Gate
Some find the individual chambers too small for practical use. Occasional reports of leaks - take extra care to add dry ingredients.
- BestReviews
The sliding door might freeze during winter. Some people might find it difficult to assemble.
- Home Gear Expert
May not last long.
- The Tooly
Difficult to assemble. A bit small.
- The Spruce
Assembly is required and the instructions are challenging so be sure to take your time while installing it. There are a lot of seams for water to get into the mixture. Due to the design features unloading can be difficult.
- Composting Hub

An Overview On Composting & Yard Waste Bins

If you want your garden to flourish, composting your food scraps and yard waste and turning them into nutrient-rich soil is the way to go. Get the right composting and yard waste bins so you can avoid the stench of compost while creating high-quality soil your garden will love.

There are a number of different types of composting and yard waste bins available, each with their unique benefits. Hoop bins are a basic variety used for composting and yard waste. These bins are typically made from recycled materials and do not have a lid. They can be difficult for turning over compost and aerating it. Another option is the slatted bins where you can easily add or remove materials from the slats. Animals can still get into these types of bins, however, which makes things a little messier. Rolling composters are perfect if you want to speed up the process of composting and want an easy way to turn over the pile and aerate it. These types of bins are heavy and take up a lot of room; plus, they are more costly than other varieties.

A similar design to the rolling composter is the compost tumbler. This version is more costly but easier to turn and doesn’t require a pitchfork. Plus, these bins can be sealed so that animals cannot get inside. Worm bins are preferred by people who don’t have a lot of outdoor space as these types are smaller than regular compost bins. They are designed just for food scraps. Keep in mind these bins can have an odor and attract fruit flies.

The Composting & Yard Waste Bin Buying Guide

  • Most composters and yard waste bins are big and heavy, so it’s important to decide where you will be keeping them first. Once you set them down and fill them, it’s unlikely you will be able to move them again. Ideally, you want to keep them in an easily accessible place where you can conveniently fill them up with food scraps and yard waste. However, you don’t want them too close to where you socialize outside in case there is a smell around it.
  • Pay special attention to the material the bin is made from. Many composters are made from recycled plastic in a dark color, which makes it perfect for absorbing heat from the sun. Heat and moisture are required for composting. Bins made from wood don’t get as hot as plastic, but they do have a nice look. Check to make sure the wood isn’t pressure treated, which includes harmful chemicals that can seep into the compost, and eventually your garden.
  • Square or rectangular compost and yard waste bins fit nicely into the corner of a yard; however, it can be difficult to reach the corners when turning the compost. This is why most compost and yard waste bins are circular in shape.
  • Compost and yard waste bins require good ventilation so there is air circulation and oxygen throughout. If there is not enough ventilation in the design, then the organic matter will decompose slowly, and will have an unpleasant odor.
  • It’s important to turn the compost inside on a regular basis, but this can be difficult depending on the design of the bin and your physical strength. If you want to make this process easy, consider getting a compost bin that has a handle design to make turning the compost effortless.