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1

Why We Love It

Reviewers love the FCMP Outdoor IM4000 for its large capacity and ease of use. The dual-chamber design enables continuous composting, which many find very convenient. Users also appreciate the sturdy construction and how the design helps speed up the composting process. The fact that it's made from UV-inhibited, BPA-free polypropylene is a plus for those concerned about safety and durability.

Pros

  • Large capacity
  • Easy to use
  • Durable construction

Cons

  • May be difficult to assemble
  • Some users found it too large for smaller gardens

A dual-chambered, easy-to-use outdoor tumbling composter

The FCMP Outdoor IM4000 Tumbling Composter is a dual-chambered compost bin that allows for continuous composting. The bin is made from durable, UV-inhibited, BPA-free polypropylene. The design features adjustable air vents and a tumbling design that makes it easy to mix compost without the need for manual turning. With a large 37-gallon capacity, this composter can handle a considerable amount of waste.

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Why We Love It

Reviewers love the FCMP Outdoor IM4000 Tumbling Composter for its sturdy construction and ease-of-use. The tumbling design makes turning the compost a breeze, and the dual-chamber allows for continuous composting. Users also appreciate that it's easy to assemble and has a large capacity for compost.

Pros

  • Easy to use
  • Durable
  • Dual chamber design

Cons

  • Can be heavy when full
  • Some assembly required

A tumbling composter with 37-gallon capacity.

The FCMP Outdoor IM4000 Tumbling Composter makes it easy to create rich compost from your garden and kitchen waste. It features 37-gallon capacity and a tumbling design that eliminates the need for manual turning. The bin is made from durable, UV-resistant polypropylene and is designed to resist rust and cracking. Its dual chamber design allows for continuous composting. It's also easy to assemble with no tools required.

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Why We Love It

Users love the dual-chamber design of this composter, which allows for continuous composting. It's also praised for its durability and resistance to weather and pests. Many users have mentioned how easy it is to assemble and use, and they appreciate the tumbling design which eliminates the need for manual mixing.

Pros

  • Dual chamber design
  • Easy to assemble
  • Durable materials

Cons

  • Door latches may be flimsy
  • Can be difficult to spin when full

Outdoor tumbling composter with 37-gallon capacity.

The FCMP Outdoor IM4000 Tumbling Composter features two separate sides allowing the first side to finish while leaving the second side available to add fresh scraps/clippings. With a 37-gallon capacity, it's constructed from BPA free, UV inhibited, recycled polypropylene. It's resistant to pest and weather. The tumbling design makes mixing easy and efficient.

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Why We Love It

Users appreciate the GEOBIN Compost Bin for its simplicity and affordability. The adjustable size feature is much loved as it allows for customization based on individual composting needs. Its excellent ventilation and easy setup also receive much praise. Some users even find the open design advantageous for its ease of adding waste and harvesting compost.

Pros

  • Affordable
  • Adjustable size
  • Easy to use

Cons

  • No lid included
  • May not deter pests

A simple, economical compost bin with adjustable size

The GEOBIN Compost Bin is an economical composting solution that's great for beginners. Made from lightweight, recycled plastic, this bin features adjustable size (up to 3.75-feet in diameter) to suit your composting needs. It has excellent ventilation to speed up the composting process and is easy to set up and maintain. Its open design allows for easy addition of waste and removal of compost.

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Why We Love It

Users with smaller gardens or limited outdoor space rave about the Miracle-Gro Small Composter. They find it easy to use and appreciate the compact size. The fact that it comes with a bonus pair of gardening gloves is also a hit with users.

Pros

  • Compact size
  • Fast composting
  • Comes with free gloves

Cons

  • Small capacity
  • May be difficult to turn when full

A compact, 18.5-gallon tumbling composter.

The Miracle-Gro Small Composter is perfect for those with limited space. It features an 18.5-gallon capacity and a tumbling design for easy mixing. The bin is made from durable, UV-protected plastic and has aeration holes for faster composting. It also comes with a free pair of Scotts multi-purpose gardening gloves.

Product Comparison

Compare features across all products in this category

6 Features 10 Products Updated Oct 09, 2025
Product Tumbling Design Capacity (Gallons) Material Insulation Special Features Ease of Assembly
1 FCMP Outdoor IM4000 Tumbling Composter
Yes Yes UV-resistant polypropylene No Dual chamber design Moderate
1 FCMP Outdoor IM4000 Tumbling Composter
Yes Yes BPA-free polypropylene No Adjustable air vents Moderate
2 Envirocycle The Most Beautiful Composter in The World
Yes Yes UV and BPA-free plastic No Produces liquid compost tea Easy
3 GEOBIN Compost Bin
No Adjustable up to 3.75 ft diameter Recycled plastic No Excellent ventilation Easy
3 Miracle-Gro Small Composter
Yes Yes UV-protected plastic No Comes with gardening gloves Easy
4 Garden Composter Bin Made from Recycled Plastic
No Yes 100% recycled plastic No Adjustable air vents Easy
5 Algreen Products Soil Saver Classic Compost Bin
No Yes 100% BPA-free recycled material No Self-watering lid Moderate
6 Jora Composter Tumbler JK270
Yes Yes Galvanized steel Yes Rodent-proof Difficult
7 Redmon Since 1883 8000 Compost Bin
No Yes UV-stabilized material No Four access doors Easy
8 SQUEEZE master Large Compost Tumbler Bin
Yes Yes PP material No Sliding door for easy use Difficult
1

FCMP Outdoor IM4000 Tumbling Composter

Tumbling Design
Yes
Capacity (Gallons)
Yes
Material
UV-resistant polypropylene
Insulation
No
Special Features
Dual chamber design
Ease of Assembly
Moderate
1

FCMP Outdoor IM4000 Tumbling Composter

Tumbling Design
Yes
Capacity (Gallons)
Yes
Material
BPA-free polypropylene
Insulation
No
Special Features
Adjustable air vents
Ease of Assembly
Moderate
2

Envirocycle The Most Beautiful Composter in The World

Tumbling Design
Yes
Capacity (Gallons)
Yes
Material
UV and BPA-free plastic
Insulation
No
Special Features
Produces liquid compost tea
Ease of Assembly
Easy
3

GEOBIN Compost Bin

Tumbling Design
No
Capacity (Gallons)
Adjustable up to 3.75 ft diameter
Material
Recycled plastic
Insulation
No
Special Features
Excellent ventilation
Ease of Assembly
Easy
3

Miracle-Gro Small Composter

Tumbling Design
Yes
Capacity (Gallons)
Yes
Material
UV-protected plastic
Insulation
No
Special Features
Comes with gardening gloves
Ease of Assembly
Easy
4

Garden Composter Bin Made from Recycled Plastic

Tumbling Design
No
Capacity (Gallons)
Yes
Material
100% recycled plastic
Insulation
No
Special Features
Adjustable air vents
Ease of Assembly
Easy
5

Algreen Products Soil Saver Classic Compost Bin

Tumbling Design
No
Capacity (Gallons)
Yes
Material
100% BPA-free recycled material
Insulation
No
Special Features
Self-watering lid
Ease of Assembly
Moderate
6

Jora Composter Tumbler JK270

Tumbling Design
Yes
Capacity (Gallons)
Yes
Material
Galvanized steel
Insulation
Yes
Special Features
Rodent-proof
Ease of Assembly
Difficult
7

Redmon Since 1883 8000 Compost Bin

Tumbling Design
No
Capacity (Gallons)
Yes
Material
UV-stabilized material
Insulation
No
Special Features
Four access doors
Ease of Assembly
Easy
8

SQUEEZE master Large Compost Tumbler Bin

Tumbling Design
Yes
Capacity (Gallons)
Yes
Material
PP material
Insulation
No
Special Features
Sliding door for easy use
Ease of Assembly
Difficult

Frequently Asked Questions About Compost Bins

What makes a compost bins the "best"?

We evaluate products based on quality, performance, value for money, user reviews, durability, and ease of use. Our rankings are updated regularly to reflect the latest market offerings and user feedback.

How often do you update your compost bins recommendations?

Our team continuously monitors the market for new products and updates our recommendations quarterly. We also adjust rankings based on user feedback and new testing results.

Do you test all the products you recommend?

Yes, whenever possible, we physically test products in our labs. For products we can't test directly, we rely on verified user reviews, expert opinions, and detailed specifications to make informed recommendations.

What if I'm looking for a specific type of compost bins?

Our top 10 list covers the most popular and highly-rated options. If you have specific requirements, check our detailed product descriptions and pros/cons to find the best match for your needs.