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Comments regarding Mantis ComposT-Twin

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6 positives
2 neutrals
3 negatives


Negative AZComposter
(1 review)
On Oct 4, 2019, AZComposter Chandler, AZ wrote:

My ComposT-Twin corded and Mantis® did noting.

I would stay away from composters made of metal and from Mantis®. My E-mail to Mantis customer service went unanswered, and a call lead to only futile apologies. My ask to Mantis was for a discount on the pertinent replacement panels or a new composter. Mantis' response was an apologetic "no". One would think Mantis' customer service would be commensurate with the $600 cost of their ComposT-Twin, but unfortunately it is not. Based on my experience, I strongly advise you consider other composters and manufacturers.

Negative maineherbs
(2 reviews)
On Feb 16, 2011, maineherbs Corinth, ME wrote:

DO NOT WASTE YOUR MONEY ON THIS PRODUCT! I purchased the compost twin for a special birthday present for an avid, professional, gardener. It was put together following poor directions. Finally after many hours of labor and following directions we could not put the composter together because they sent the wrong rods. We called and were given a very hard time about trying to get the right rods. We told them they could have the machine back and they decided they would finally send the right parts. It was more than two more weeks before they sent the right parts. So again we spent hours and hours putting the compost twin together. Finally the machine was in place. Hooray we thought, an easy way to make our compost. NOT!!!!!!! We followed directions for adding green materials, the activator we bought from them that they recomended, etc. We turned the "mess", etc., and followed directions to a "T". All we got was a dripping, horrid smelling mess. When we added new greens and activator the STENCH was horrific. No compost, just a nasty mix of rotting vegetation, etc. We tried the second barrel and the same thing happened. The only thing we cultivated with our mess - you could never call it compost, was a family of skunks!! The twin composter constantly leaked and attracted vermin. We did not dare open our door at night because we placed the twin composter right outside one of our greenhouses, that happened to be near our residence. If the twin composter worked as advertised this would never have been a problem. BUT---No matter what we did, spraying down, adding fresh green materials from the gardens, adding the activator, etc., nothing worked. We have never been able to make anything close to what is advertised - compost my foot. Or maybe I should say my skunks feet. My neighbor watched as a family of five skunks crossed the street to get to our twin composter. They loved the horrid smelly liquid that constantly leaked from it. We are sending it back, and to top off the insult of having to deal with all this mess and expense, they are requiring us to find a return method and to pay for it. The composter and the company both need improvement. I am going back to the old fashioned, inexpensive, compost maker. DON'T WASTE YOUR TIME OR MONEY ON THIS JUNK.

Negative Karen
(6 reviews)
On May 28, 2002, Karen wrote:

We called ahead to tell them we'd be traveling 125 miles to purchase two of their composters and asked how we could reserve them. They assured us there were plenty in stock and there was no need to reserve them. I called two days before making the trip to make sure there was no problem and got the same response. They weren't even willing to take a deposit for them.

We made the trip only to have a young girl at the desk inform us that she hoped we didn't want to take one of those home with us because they just sold the last one. Things went downhill from there. She insisted we'd have to pay the high costs of shipping and her product knowledge was pathetic. We asked to speak with a manager. She went into the back office and came out to tell us that the manager said he'd pick up the shipping, but that he was not available. We never received as much as an I'm sorry for the inconvenience. There's much more, but I don't wish to bore you more than I am.

We were going on to a 4 hour meeting for my husband and my plan was to get the tape and book that comes with the composters out of the box during his meeting so that watch the tape in our van and read the book. I asked her if I could get a tape from her. Of course, she told us that we'd have to pay for it, which we thought was a bit much since they'd screwed up so badly, but we did. She assured us that it would have all of the information I was wanting to learn about how to compost and that the book wouldn't give me a whole lot more. We got to the van and thought maybe we should check out the tape. It was nothing more than a 3 minute sales tape and no composting information at all!!!

We returned the tape and asked for the book instead. She insisted that we'd picked up the wrong tape, when in fact she had looked at it before send us out the door with it. Well the book cost another $5.00. We left there thinking maybe we should get our money back and pretend we'd never heard of this company.

When our units arrived the box was open and there was a part missing. We got a very nice service technician on the phone after being on hold for 10 minutes. He quickly sent us the part. While on the phone with him, we told him of our experience. He insisted that we leave a message on the managers voice mail and that he knew the manager would call us back under the circumstances. We did not get a call. About ten days passed and we started receiving copies of their sales tapes (the same one they charged us for) and so we called to ask them to lose our names and while on the phone my husband asked to speak with the general manager. Of course, he was not available. My husband said on his voice message, "I don't know if it is your way of doing business not to return calls, but you did not return mine." About 15 minutes later, we got a call. It was fairly courteous, but we feel it was also unproductive.

We have the two units and are using them, but it's too early to know if they work as described. We can tell you that it says in the literature that you will have great useable mulch in two weeks and the book they sale says if anyone tells you that, they are not telling you the truth. Need I say more.

On August 20th, 2007, Karen added the following:

I should have followed up a long time ago on this. We returned the unites because they did not do what it was promised they would.

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