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The 5 Best Worm Composters Money Can Buy

Are you looking to start your own compost heap but don’t know where to begin? Vermicomposting uses worms to break down leaves, grass clippings and kitchen waste and creates fine compost perfect for your garden.

But what is the best worm composter? There are plenty of worm composter reviews online but knowing what to look for and find the best vermicomposting bin for your home or garden can be a challenge.

We’ve put together a buyer’s guide and rated some of the top quality composting bins to help you choose.

Best Worm Composter Comparisons

ModelFeature 1Feature 2Feature 3Warranty
Our Rating

Worm Factory 360
Lid converts to a stand for trays which helps to harvest the compostBuilt in “worm tea” collector tray and spigot for easy drainingLargest volume of any home composter10 years5.0 Stars

VermiHut 5-Tray
Domed lid for greater air circulation and ventilationIncludes instructionsCan be used indoors and outdoors5 years4.5 Stars

Urbalive Vermicomposter
Designed by a leading Czech designerCompact sizeStep by step instruction guideNot available4.4 Stars

Redmon 65-Gallon
65 gallon size (8.6 cubic feet)Strong, hardwearing weather-resistant plastic resin constructionFour doors for access1 years4.5 Stars

Hungry Bin Composter
Not availableAllows worms to process up to 2kg of waste every dayWheels to allow it to be moved easilyCastings and “worm tea” collected separately4.5 Stars

What is Vermicomposting?

Vermicomposting is using earthworms to break down compostable materials instead of leaving it to mother nature. The worms eat the leftovers and as it passes through their body leaving behind “casings” which are nutrient rich and make excellent soil.

How to Get the Best from Vermicomposting

Make sure your worms have everything they need. By this, I mean don’t just open the top of your compost heap and dump worms on top then expect them to be happy and start munching their way through your waste. Add them into the middle of your pile gently and make sure the compost or materials already in place are well mixed and ventilated. There should be plenty of room for your worms to wriggle about in.

Your heap should be at least eight to twelve inches deep and the surround of your bin should be made from wood or a hard wearing material.

Add in bedding material that is damp but not wet. Worms like a home that is about 75 per cent water and the rest waste. This doesn’t mean you can dump gallons of water on your compost heap and hope for the best, but definitely worth remembering in the summer that you have living creatures in your compost and they would like some moisture. The best sort of bedding material is shredded newspaper or cardboard. Worms also don’t like lots of noise or vibrations, if you can put your bin in an area that is quieter and away from traffic noise or other nuisances.

You should also add gritty materials like sand and crushed eggshells to your compost heap as this helps the toothless worms break down the composting materials. And be sure to wear some really good gardening gloves to prevent the spread of dirt, germs, and things like E.coli or salmonella.

What to Look for in the Best Vermicomposting Bin

Added features on some composters include trays which separate out the castings from the compost materials and even a little tray to collect “worm tea” which is the liquid left behind after vermicomposting. These are well worth investing in if you can as they make the process much lower maintenance.

indoor worm composter

Location – Indoor

First thing to think about is if you have the space and where you are going to store your bin. If you want it to be inside your home, think about where it will go and whether you want it to be tucked away or part of the furniture and decor. If it is going to be on display, it might be worth investing in a well designed and attractive looking bin to make sure it fits into your home. Also, worth thinking about is odor. An indoor composter will smell a little it as the worms do their thing but you can get models with odor control to lessen this effect.

outdoor worm composter

Location – Outdoor

Outdoors, you want to make sure the bin you choose suits the size and shape of your garden. If you want it to blend in, choose a dark green model and perhaps plant some shrubs around it or a black version tucked into a nook or corner will melt out of sight.

hardwearing weather-resistant plastic resin

Materials

Material is also very important when you’re investing in an outside bin. As most of us don’t want the hassle of trying to move a full compost bin (complete with worms!) into the house or garage through the winter months, finding a sturdy bin that will survive extremes of temperatures is really important. Choose a strong plastic or resin that is specifically designed to withstand freezing or heat to make sure your bin is ok to stay outside all year round.

Ventilation

Another thing which really helps worms get to work is ventilation. Make sure your compost bin has holes running through it or a domed lid to encourage ventilation and ensure your little worms are getting enough air.

Added Features such as trays

Added features on some composters include trays which separate out the castings from the compost materials and even a little tray to collect “worm tea” which is the liquid left behind after vermicomposting. These are well worth investing in if you can as they make the process much lower maintenance.

How Many Worms Will I Need?

A good rule of thumb is to get about 2,000 worms for every pound of food waste. As 2,000 worms weighs about two pounds, try to have around half the amount of worms for your waste products. If you start out with a small amount of worms, you can just add less to your bin until they increase and you can add more.

Bestselling Vermicomposter Reviews

Worm Factory 360 WF360G Worm Composter

Quick Info

  • Warranty: 10 years
  • Lid converts to a stand for trays which helps to harvest the compost
  • Built in “worm tea” collector tray and spigot for easy draining
  • Largest volume of any home composter

Our Rating:5.0 Stars

This standard four tray worm composter can also be extended to hold up to eight trays which gives it the largest volume of any home composter. The kit includes an instructional DVD, manual and if you register the product it is also covered under warranty. It also has an added accessory kit which helps to make managing the composter much easier. A newly-designed lid allows you to use it as a stand to rest the trays on so you can harvest the compost quickly and easily. It also has a collection tray for moisture and a spigot so you can drain it off.

Pros

  • Takes less than 15 minutes a week to manage
  • Trays have a grid bottom to separate compost

Cons

  • Takes around 5 months to start getting compost
  • Not able to be left outside in all climates

VermiHut 5-Tray Worm Compost Bin

Quick Info

  • Warranty: 5 years
  • Domed lid for greater air circulation and ventilation
  • Includes instructions
  • Can be used indoors and outdoors

Our Rating:4.5 Stars

This brilliant blue composter comes with five stackable working trays which automatically separate the worm castings and the worms themselves. This composter has great air circulation and is highly efficient. The compact size means it will fit snugly into even the smallest backyards and the odor control system means you can use it indoors as well as outside. The domed lid is designed to make sure your compost and worms have plenty of air and ventilation.

Pros

  • Odor free
  • Attractive, compact design

Cons

  • Material is quite flimsy
  • Instructions are not as comprehensive as other models

Urbalive Indoor Worm Farm – Organic Compost Vermicomposter

Quick Info

  • Warranty: Not available
  • Designed by a leading Czech designer
  • Compact size
  • Step by step instruction guide

Our Rating:4.4 Stars

This modern-looking vermicomposter is designed by one of the leading designers in the Czech Republic so it will look stylish in any home. It can be used all year round in your home and the compact size will allow it to fit right into your kitchen, utility room or basement. The step by step instruction guide will walk you through everything you need to know and do from initial setup, adding your worms, and keeping the mixture of compostables correct for the best outcomes. This is a great way to include your family in composting and used as an educational tool for children.

Pros

  • Sleek modern design by Czech designer Jiri Pelcl
  • European design and origin

Cons

  • Has to be used indoors
  • Can be messy to use

Redmon Green Culture 65-Gallon Compost Bin

Quick Info

  • Warranty: 1 year
  • 65 gallon size (8.6 cubic feet)
  • Strong, hardwearing weather-resistant plastic resin construction
  • Four doors for access

Our Rating:4.5 Stars

This huge composter has four access doors which means you can get to it all around for easy access and composting. It has a composting guide included as well as an easy to assemble makeup. The tough exterior of this composting bin means it can be left outdoors in all weather and climates. The lift off lid makes it easy to dump in grass clippings, leaves and kitchen scraps while the ventilation holes throughout the bin itself means your compost will be aerated and break down easier.

Pros

  • Available in 2 options, compost bin only, or compost bin with included aerator
  • Strong, hardwearing design

Cons

  • No trays to harvest compost
  • Open bottom so worms added may escape!

Hungry Bin Flow-Through Worm Farm

Quick Info

  • Warranty: Not available
  • Allows worms to process up to 2kg of waste every day
  • Wheels to allow it to be moved easily
  • Castings and “worm tea” collected separately

Our Rating:4.5 Stars

This efficient worm farm can deal with 2 kilograms of waste every day and is an ideal living environment for your worms. The trays make it easy to collect the compost and castings. The bin will need to be moved inside in extremes of temperature as it is not made from a material that can cope with high heat or freezing conditions.

Pros

  • Has handles and wheels to allow it being moved
  • Efficient operation

Cons

  • Cannot be used in extremes of temperature
  • Bedding and worms sold separately

Conclusion

The best worm composter has to be the Worm Factory 360 WF360G Worm Composter . Not only does it have four trays as standard, but it can also be extended to hold up to eight trays. The instructional DVD and manual helps even a composting novice get the best out of their worm composter. It is low maintenance and the trays help you harvest the compost with no fuss. A spigot will let you drain off “worm tea” easily and use it on the garden. This bin doesn’t take up too much space and is designed well so it can be tucked away and become a seamless part of your garden. It holds a large volume of compost so it can be used for even the biggest households.

If you found this article helpful in your quest for the best worm composter, or if you had any questions, feel free to comment and share below!

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You might also enjoy reading: A Guide to Mulch

About The Author

Candace Osmond

Award Winning Designer, Candace Osmond has been in the industry for over a decade. She studied Interior Decorating & Design and is also an accomplished writer and multi-published author. When she's not typing away from the comforts of her desk, Candace can be found travelling to warm destinations, tending to her garden, or enjoying the outdoor haven that is her backyard. Candace currently resides in the breathtaking Maritimes of Eastern Canada with her husband, two beautiful kids and one slobbery bulldog.

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