Why Choose a Mantis ComposTumbler Composter?
Our unique tumbler design has been meticulously proportioned to speed up the composting process. You’ll get finished compost in just a few weeks!
The key to making great compost fast is to have your organic materials contained so that a heat core can be built quickly. The dimensions of the Mantis ComposTumbler, in all sizes, have been professionally and accurately calculated for maximum efficiency in building a heat core. As the drum of the ComposTumbler is turned, the materials inside the composter mix and the core is stable.
Air and moisture are the other two essential ingredients. The ComposTumbler is designed with air vents on the sides of the drum and on the door so air flow is unimpeded during composting. Drainage units on the door allow for any excess moisture to escape so materials won’t get soggy. You can find out more about how Mantis composters work.
The result is a perfectly balanced, contained rotating bin composter that turns organic throw-outs into compost in a few weeks.
OUR UNIQUE COMPOSTUMBLER DESIGN
USER FRIENDLY
The Compostumbler Original and CompostT-Twin frames are convenient 32 inches high for easy loading and unloading. The easy-crank handle and gear mechanisms make the drum easy to turn — even when fully loaded!
STATE-OF-THE-ART DESIGN
Aerator vents on each door allow oxygen into the chamber while vented end caps assure even air flow and proper drainage. Two latches on each door means bin contents are more secure, and less stress on individual latches
CLEAN AND NEAT
Bin contents are fully enclosed to keep out rodents, pets, and other wildlife. No more messy, unsightly piles, and no odours wafting over to your neighbour’s porch.
QUALITY AND DURABILITY
The Compostumbler drum composter by Mantis are constructed of the finest quality materials and built for years of use. Sturdy tubular steel frame, galvannealed drums. End caps and divider is BPA-free, food grade plastic. Compostumbler Composters are designed to last and last, year after year.
Other Composting Methods Just Don’t Measure Up

Garden Composting
An open compost pile in your garden is pretty easy. However, all it takes is one rainy spell, or one hot dry spell, and your opportunity for getting compost is gone. A proper balance of moisture is essential for great compost. You simply can’t control it in a compost pile.

Compost Bins
Putting your organic throw outs into an open compost bin may contain them, but you’ll still attract rodents and pests, still have to suffer through turning the pile, and the end result is that the best nutrients are actually going into the ground under your compost.

Plastic Compost Bins
Stationary plastic compost bins look OK in your garden or allotment, but they’re a “pain” to use. Turning the compost is so difficult you’ll need to buy a special tool. Getting what little finished compost you have is awkward and hard on your knees as well as your back. Most gardeners lose as much as they get, just trying to get it out.

Barrel Composters
Elongated-type barrel composters do not allow for proper distribution of the mass inside, so the result is decaying materials that are wet and slimy instead of rich, crumbly compost. Plus, they’re unbalanced and difficult to turn.
Ready to choose Mantis?
If that wasn’t enough to convince you, see what customers have to say about our composters. You can then compare the four ComposTumbler models and place your order online.