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Comments regarding Mantis ComposT-Twin

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6 positives
2 neutrals
3 negatives


Positive kmdubow
(2 reviews)
On Jan 16, 2018, kmdubow Kennett Square,
United States wrote:

After purchasing my third composter (two were gifts) I figured I better review the product. I've had my composter for 7 years (received it as a wedding present) and have used it faithfully, each season, with no issues.

I love the ease of tumbling, the ability to fit a shovel in the opening, that it is raised off the ground so I dont have to bend over and how quickly I can make compost!

Our family creates enough compost during the year to fill my spring garden beds and grow healthy, organic veggies all summer!

Positive GolfnGardener
(2 reviews)
On May 5, 2009, GolfnGardener Telford, PA wrote:

I like the fact that the Mantis ComposT-Twin has two separate chambers for composting. When starting a new batch in an empty chamber, one or two shovels full of good soil or finished compost seems to provide all of the microbes necessary to get the compost cooking fast. I also like the convenience of being able to empty the contents direclty into my laodumper cart without having to use a shovel or fork. And, since the ComposT-Twin is totally enclosed, I can easily control the moisture content.

Positive Campfiredan
(8 reviews)
On Jan 4, 2009, Campfiredan Alachua, FL (Zone 8b) wrote:

I had the older big single bin tumbler back in the 80s and it worked great. But the two bin drum, though the concept sounds good, doesn't do the job quite as well. The bins are a bit too small to heat up right most of the time. And, when one is full and getting a bit moist and you are filling the other it gets hard to turn the drums as the combined weight is pretty hefty. If I were to do it over again, and I thought I needed two bins, I buy two separate big drum bins instead.

On the other hand the big diameter bin drum, if I recall, had less clearance between the ground and the drum bottom. But even with more clearance on this smaller diameter one my large wheel barrel and garden cart don't fit under the cross bar. I had to add 4 pieces of galvanized conduit between the top assembly and bottom assembly to raise the whole thing about 6 inches. That works quite well for me but for a shorter person having the drum six inches higher would make the loading door too high. So the tumbler appears to be designed well to fit as many body heights as possible. But be sure your wheel barrel fits under it or get a smaller garden wagon to unload.

Anyhow, even though I'm not supremely pleased with its composting ability and I had to alter the height I make VERY good use of it as a potting soil mixer so I claim to be a happy camper and give it a positive review.

Positive Qwizwizard
(2 reviews)
On Aug 17, 2008, Qwizwizard wrote:

I bought my Mantis ComposT Twin about 8 years ago. It was easy to put together, the Mantis Company personnel were friendly and helpful.

We've been successfully composting for 8 years and it's great. No pitchfork required, No backaches afterward. You can order replacement screens and replacement plastic vents (especially if the squirrels like what's cookin' inside and decide they want to peep inside.) In 8 years, we've only had to order one replacement vent due to squirrels. After awhile, the squirrels leave it alone.

You open the bottom of the composter with a wheel barrel underneath of it, and you're good to go. It's great that one side can be cooking, and you can add new scraps to the other side.

A must have for the serious recycler. Between paper/cardboard recycling, glass & cans recycling, plastic recycling,and now with the Mantis ComposT Twin with kitchen and yard recycling....we only have to put regular trash out once a month....

Positive EmilyTheChef
(2 reviews)
On Jun 7, 2006, EmilyTheChef Boise, ID (Zone 6a) wrote:

I've had my Compostwin for a year now, and I'm very pleased. Compost does not completely digest in a few weeks for me, but if I was in the garden every day, turning it, had the perfect combination of bacteria and materials, and didn't keep adding materials, that might be another story. My only beef with a composter of this type, is no wonderful wormies can get in and work their magic. I love worms in the soil....

Positive plantingman
(4 reviews)
On Apr 1, 2005, plantingman Yankton, SD wrote:

Got the Compost-Twin. Fast service. Well packaged. Solid, strong parts. Actually fun to put together. Very detailed assembly instructions. Nice looking finished product.

Now I'm ready to enrich my garden with black gold! Hope it works.

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