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SUPERCOMP Plastic Composter 350L

Plastic composter with base plate

(48 customer reviews)
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Black Week Sale

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Original price was: € 289.00Current price is: € 249.00.

Includes 20% VAT, plus shipping
Delivery time: approx. 2-3 working days

In stock

Klarna Logo 120x70
Cornelia S.
Cornelia S.
Very satisfied after 10 months: no odor, easy removal, great compost. Customer service fast and friendly. Price seems high, but absolutely justified - clear recommendation!

In stock

Klarna Logo 120x70
Cornelia S.
Cornelia S.
Very satisfied after 10 months: no odor, easy removal, great compost. Customer service fast and friendly. Price seems high, but absolutely justified - clear recommendation!

Made in Austria
stable, durable, high quality

No odors, no pests
even with meat & fish

What differentiates a SUPERCOMP from a conventional composter?

Part of the pile weight rests on the sliding device , the pile no longer rests with its full weight on the ground.

This ensures vertical ventilation of the entire pile cross-section (chimney effect), no unpleasant odors for you and your neighbors, no more tedious turning  requiered.

The compost organisms work at turbo speed, as they are optimally supplied with oxygen, heat the compost pile, multiply ideally and thus quickly produce nutrient-rich quality compost.

Conventional composter

The pile is surrounded by the walls of the composter, is only ventilated from the side and rests with its full weight on the ground.

As a result, the pile compacts, and hardly lets any air through. This compaction process considerably restricts the air circulation in the heap, which slows down the composting process. The removal of finished compost is extremely laborious due to the heavy weight of the heap, as the entire mass rests on the shovel when shoveling it out.

Therefore, composting guides recommend turning the pile several times a year, which usually involves completely dismantling and rebuilding the composter to ensure better ventilation and loosening of the material.

Protection against vermin

The SUPERCOMP composter is completely sealed and offers all-round protection:

  • All openings reliably sealed - with sealing tapes on the lid and removal flap
  • Supply and exhaust air openings have close-meshed pest protection grids
  • Effective protection against unwanted guests such as mice, rats, snails, but also cockroaches must stay outside...
  • Tongue and groove system for tight connection of the wall elements

Product properties

Additional information

Material

UV-resistant polyethylene, 5 mm wall thickness, robust and optimally insulating

Dimensions (L x W x H)

57 × 57 × 110 cm

Capacity

350L

Annual output

up to 2500 liters

Pest control

4 ventilation grids with close-meshed perforations as protection against pests, including integrated sealing tape – effective protection against mice and snails

Slide composting

With sliding device and 2 compost regulators for vertical aeration

Tested technology

Graz University of Technology & Joanneum Research GmbH, Austria

Assembly

Quick & easy: Plugged together – done! Without any tools or screws

Base plate included

made of weatherproof polypropylene (1,500 g/m2), 5 mm thick

Innovative tongue-and-groove system

ensures an all-round tight and stable connection

Integrated wind protection

securely closed even in storms thanks to sliding hooks

Innovative composting system – this is how our rapid composter with vertical aeration and the chimney effect works

In the context of composting, vertical aeration ensures that:
  • Oxygen reaches the entire compost pile evenly, including the core.
  • Rotting processes and the formation of unpleasant odors are avoided.
  • The microorganisms and worms have optimal conditions for breaking down organic matter. They work at least 3x faster than under air deficiency without vertical aeration.
  This makes the SUPERCOMP at the same time a Rapid Composter and through the heating of the microorganisms a Thermokomposter. Also ideal as Worm composter, as no turning of the pile necessary. SUPERCOMP was from the Graz University of Technology and the Joanneum Research, Graz has been successfully tested with the composting of kitchen waste, as well as exclusively grass and orange waste.  Here is a brief summary of the test series.
Chimney effect composter

Similar products

What distinguishes a SUPERCOMP from
a conventional composter?

Supercomp Compost Bin

With sliding device
  • With pest protection
  • Fast composting
  • No putrefaction
  • No unpleasant odors
  • No turning of the pile necessary
  • Easy compost removal
Top

Conventional composter

Without device
  • Pests in the compost
  • Slow composting
  • Mold formation and rotting
  • Unpleasant odors
  • Turning of the pile necessary
  • Compost removal difficult

Product reviews

All product reviews collected come from the independent Proven Expert rating platform.

48 reviews for SUPERCOMP Composter 350L

  1. Wolfgang Wagner

    4.5-star rating – thank you

  2. Manfred Nussbaumer

    It was easy to assemble, but only time will tell whether it really is better than other composters.

  3. Anonymous

    Very good sequence from order to delivery. Fast delivery, complete and very good quality.

  4. Anonymous

    Simply great to handle –

  5. Susanne Weitbacher (Verified buyer)

    Everything is perfect, thank you.

  6. Christoph Treutwein

    After two months, we still have little experience with composting. But setting up the composter was relatively easy; now that it is "in operation," it is actually odorless.

  7. Anonymous

    After two months, we still have little experience with composting. But setting up the composter was relatively easy; now that it is "in operation," it is actually odorless.

  8. Beate G

    Customer service was not yet needed. I am very satisfied with the composter, but I don't have any long-term experience with it yet.

  9. Marlene R

    The parcel service simply threw the package over the fence, even though it was marked "Fragile". After my complaint, a new composter was sent immediately, and the communication was fast and efficient. Absolutely recommended.

  10. Anonymous

    If you follow the instructions and sprinkle in some compost accelerator, you actually get good compost in a few months without having to turn it in between. Works perfectly!

  11. Jörg L

    Since I just received the composter, I can't recommend it yet. I haven't even set it up.

  12. Familie S

    We were looking for a composter that works well, doesn't smell and looks good, as it is clearly visible in our yard. After the first 10 months of use and the first removal, we are very satisfied. The workmanship was not optimal on the lid and removal flap, but the customer service department delivered the corresponding parts very friendly, accommodating, promptly and without complications. The composted soil is dark and rich, the removal is very easy, there is nothing to do. Organic material in at the top, composted soil out at the bottom. No odor formation whatsoever, even when the sun shines directly on the Supercomp and you are standing next to it. We hesitated a little before purchasing because the price seemed quite high to us, but we think the Supercomp is absolutely worth the price! If you are looking for a composter with which you have zero work, which you can practically place next to the balcony or garden table and which delivers super composted soil, this is the right one! Oh yes, we only throw in fresh organic waste, no processed waste, nothing cooked and no meat, bone or sausage waste in order not to attract any unwanted guests. We always cook fresh and a lot of organic waste is produced.

  13. Mag. Ursula J

    Easy to set up...
    More experience is still lacking, as it has not yet been filled....i

  14. Helmut W.

    It works very well (green plastic). I'm thinking about buying a second one. I have not yet used customer service.

  15. Anonymous

    Practically packaged, easy to assemble with well-understandable instructions. Has been standing for a year now. I hope for a good result next spring.

  16. Wilfrid S

    Everything was perfect except for the delivery person. For reasons I can't explain, the package was left in the hallway in front of the front door at Hauptplatz 5. However, the delivery address is Hauptplatz 6, staircase 2, 1st floor, door 9, and we were at home all day! Kind neighbors informed us at noon.

  17. Anonymous

    Everything was perfect, as desired!

  18. Anonymous

    This is now our second composter; the first one broke after years of use. I am so enthusiastic about this composter that I bought another one.

  19. Anonymous

    Uncomplicated and quick replacement of a part damaged in delivery. Customer service reacted immediately and friendly. The product itself is easy to assemble and put into operation with the enclosed description. I am already curious how it will compost…. Will gladly recommend it.

  20. Christoph R.

    Very fast delivery. My small complaint was handled professionally and quickly.

  21. Cornelia S

    I have had the Supercomp thermal composter for a year now. The composter was easy to set up and, although it is taller than other composters, it does not look so voluminous. With my old conventional thermal composter, the rotting process was very slow. I always spared myself the effort of turning the compost for reasons of time and convenience. That's probably why it didn't really work. Although I'm not doing anything differently now, a lot of finished compost has already been produced. I also think it's great that you can place the composter on a solid concrete slab. This means that the composter does not warp, which was already the case with the old one after just one year. I also cannot detect any unpleasant odors outside the composter.
    I would buy the composter again at any time and can only recommend it.

  22. Adriana Z

    Looks valuable, but has to prove itself in the next 2-3 years.

  23. Anonymous

    It worked!

  24. Ingrid L

    I set up the composter and put in the first 30 cm filling. Now it takes patience. I use the composter as a worm composter, but the worms are not coming in yet. I hope I'm doing everything right and it all works.

  25. Andreas L

    We bought our first plastic Supercomp composter several years ago. When a part was damaged in a storm, it was no problem to order the corresponding spare part. We were also offered and explained an improvement to the lid attachment. Really great service! The Supercomp works as it should, without us ever having any problems with it.

  26. Martina S

    It works very well. Compost is ready quickly. Would buy it again.

  27. Anonymous

    The delivery was fast and the setup was straightforward. The composter does not appear very stable, but it has been standing well so far. Of course, I cannot yet assess the functionality and composting result.

  28. Renée S

    Everything was great, I would gladly buy again if needed.

  29. Anonymous

    None yet, as I just received the composter.

  30. Anonymous

    Good compost removal. Fast decomposition of garden waste. Large filling opening.

  31. Werner Z

    Composter has been in operation for around 15 years. Meanwhile the second one, but still completely satisfied. Especially because some improvements have been made, especially to the lid

  32. Anonymous

    I have had one for years and am very satisfied. Now a flap was broken and I was helped immediately 👍

  33. Adolf S

    In the first season, the composter proved to be very effective. I assume that this will continue to be the case in the years to come. A small note: The lid hinges could be a little more stable. Not a problem in normal use. However, during a strong gust of wind last winter, the hinges of one side panel did not hold and broke off. Free replacement was provided immediately.

  34. Anonymous

    The composter arrived on time after 2 days. It was very well packaged and undamaged. I unpacked it right away and assembled it, which was also very easy. Then I prepared the location and set up the composter, filled it with mulch as described. Then the first waste was thrown in. Now I wonder how a chimney draft can occur when everything is filled, since there are no ventilation holes or slots. Well, the future will show whether everything is really that great, and only then can you decide whether to recommend it.

  35. Christian E

    This is my second composter. Compared to the first one, which was in use for many years, there are some improvements in terms of stability. The way it works is great. I can recommend it

  36. Renate R

    The delivery was prompt, response regarding a small delivery damage within a few minutes, replacement part was in the house free of charge within 2 days, very friendly and competent, composter is beautifully made, easy to assemble and a beautiful sight in the garden

  37. Anonymous

    Hello, I am very satisfied with the Supercomp composter. Thank you! Best regards and all the best for the new year.

  38. Michael K

    Until we purchased the Supercomp composter, we had several other models in use, most recently even 3 composters lying next to each other (a 600l plastic composter from a competitor, a compost heap made of mesh material with approx. 1m diameter and one made of wooden boards also approx. 1m square).
    With all composters, constant turning was necessary, and the odor was correspondingly high; in addition, mold often formed in the composters.
    Since we have been using the Supercomp, we can manage with one, comparatively small-looking composter, where nothing stinks, no turning of the pile necessary, and the compost is metabolized very quickly. Even citrus fruits and even meat scraps (we didn't dare to throw them on the compost before) are composted.
    We had initial concerns about the size; as I said, the composter looked tiny next to the previous 3, but the composter more than makes up for this with its rapid processing of the composted material. It is now usually 3/4 full, but we hardly put any grass clippings in the composter.
    It is important to have a straight and firm surface; here, I have created a U-shaped foundation in a sand bed (which I previously dug out about 15cm deep) with some clinker bricks. This ensures that the composter stands straight and stable.
    We would buy the composter again at any time; overall verdict: unbeatable!

  39. Juergen

    The company left an extremely reliable and competent impression. The composters offered stand out positively from other common products: Very good quality and impressive function of the system!

  40. Franz K

    Everything is great

  41. Horst M

    Easy assembly. Seems very stable. Easy to open from above (2 different fold-open options).

  42. Mira

    Flawless in function and stability, I would buy it again! Top recommendation

  43. Anita G

    I am very satisfied with the product.

  44. Anonymous

    Great composter, very stable, looks good and the delivery was quick and uncomplicated. Can only recommend it!

  45. Jürgen T

    The composter works and remains odorless. The composting time is about 1/2 year and requires the use of composting worms. We bought 3 types of worms from one of the large worm farms for soft to firmer raw material. Woody flower stalks and thin branch material have to go through twice. In summary, we are very satisfied.

  46. Alfred S

    The assembly was very easy. I am currently putting together the initial filling. I will send more information after the first use. Kind regards

  47. Anonymous

    Simple ordering, prompt delivery, everything perfect!

  48. Herbert L

    The customer service, especially after the purchase, is excellent! Thank you for that!

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