Are you looking for the best worm composter available in the market? If yes, then this article is for you.

The worm composter can easily convert food scraps into nutrient-rich organic fertilizers. But do all the worm composters provide the optimal outcome?

Well, no, but you do not have to worry because we have reviewed the 5 best worm composters for the top-notch outcome.

So, let’s begin!

Do you want to compare the features of each of the reviewed worm composters? If so, then this comparison table will help you in this matter. This comparison table involves the vital functionalities of each of the worm composters.

Product

Indoor or Outdoor Weight Material Storage Sections

Spigot

Worm Factory Basic Composter

Indoor 10.33 pounds Plastic 3 stacking trays Yes

The Squirm Firm Worm Factory 360

Indoor/outdoor 12.97 pounds HDPE recycled plastic 4 trays Yes

Urban Worm Bag Worm Composting Bin

Indoor/outdoor 7.5 pounds Iron/ 900D oxford fabric 1 worm bag No

Hungry Bin Worm Farm Composter

Indoor/outdoor 28 pounds Plastic 3 storage sections No
Tumbleweed Can O Worms Vermicomposter Indoor/outdoor 14 pounds Plastic 2 round trays

Yes

The Best Worm Composters Of 2021

This section includes the review of all the 5 best worm composters currently present. By reading the review, you can easily decide which worm composter might work better for you.

1. Worm Factory Basic Composter

PROS

  • Additional accessories included
  • Expandable trays
  • Easy to use

CONS

  • Fewer tray
  • Not suitable for outdoor use

The Worm Factory basic is the first product in the list of the best worm composters. This composter is much easier to use. It includes a complete package to help you in the process of turning food scraps into vermicompost. With the unit, you will receive stacking trays, spigot, collection base, worm ladder, and a few additional things.

The 3 stacking trays will enable you to have more space for storage. You can use the collection base to collect the vermicompost. With the collection base, you will also notice a spigot that allows convenient draining. It has a compact design, and its overall weight is around 10.33 pounds.

If you compare the Worm Factory unit’s weight with other worm composters, you will find that this product is a much better choice in terms of weight. Its lightweight property makes it convenient to carry and use. You will only require adding your bedding and worms in the tray to use it.

The base also keeps the excessive moisture away to deliver an outstanding outcome. Each of the trays is around 16 x 16 x 5 inches, while the overall dimensions of the product are 19 x 18.5 x 13.5 inches. Like many models, this worm composting unit is also expandable. You can add a few more trays if you lack storage space. However, adding a few more trays will increase the overall weight.

To make this worm composter easier to use for everyone, the Worm Factory brand has printed some instructions on the lid. These printed instructions include some quick tips to improve the performance. Whether you are new or an expert, these quick tips will be quite beneficial for you.

Apart from the printed instructions, this brand also introduces an online book. You will get access to an online book with some extra details about the product and its working. With the help of the online book, you will get a complete guide to vermicomposting.

Another positive thing about the Worm Factory product is its warranty. It comes with five years of limited warranty so that you can utilize the product with less worry. However, keep in mind that the warranty is only on the plastic parts.

Moreover, it has quite a similar design as many other worm composters. Its blackish color will make it absorb more heat quickly. Therefore, try keeping this unit under the shade so that it becomes less hot. Though this Worm Factory product is comparatively less popular than other reviewed worm composters, it has top-quality features.

Overview: I will suggest the Worm Factory basic composter to those who want a budget-friendly solution to obtain valuable soil amendments.

2. The Squirm Firm Worm Factory 360 Worm Composter

PROS

  • Provide digital instructional manual
  • Built-in collector tray
  • Large capacity

CONS

  • It does not work well in extreme temperature
  • Also, attract fruit flies

The Worm Factory 360 worm composter is one of the easiest systems to utilize when it comes to usability. It is a lightweight worm composter that weighs around 13.02 pounds, while its dimensions are 18.5 x 18.2 x 15.8 inches. This lightweight makes this worm composter easier to transport.

If you compare the size of Worm Factory 360 with its competitors, it is relatively portable. This unit includes four trays to let you store more food scraps at the same time. Apart from four trays, it also has a lid, base, and a spigot. The base provides support to the trays so that they do not fall.

This 4-legged base is made of plastic that keeps this worm composter in place. It has a redesigned lid that you can also convert into a handy stand. The lid present on the tray lets the process take place correctly.

Though it only comes with four trays, you can extend the number of trays if you want. This unit is compatible with up to eight trays. However, you will need to buy those additional trays separately. This greater storage capacity will accommodate you to convert this unit into a worm factory.

Another quality feature in this worm farm composter is the built-in leachate collector. This leachate collector collects all the liquid generated from food scraps and keeps the place cleaner. It also minimizes the odor caused by the food scraps. The spigot present in this unit supports the easy draining of the liquid and other materials as well.

Besides, some users do not know how to use the Worm Factory 360. So, The Squirm Firm brand has added a step-by-step guide on how to use this product. You will also get a digital instructional manual that will make it more convenient to use this worm composting unit.

Moreover, the Worm Factory 360 worm composter additionally provides an infographic refrigerator magnet. With this infographic refrigerator magnet’s help, you will learn about the most suitable foods for worms. It will also let you know about the food that you should avoid.

Thanks to the infographic refrigerator magnet, users can offer a healthy diet to the worms more easily. Apart from the food, it contains various quick and helpful tips for better results.

Further, it is a complete live worm farm starter kit that involves a few extra accessories to make the process more manageable. In the accessory kit, you will receive a hand rake, scraper, and thermometer. This kit additionally holds a bedding material for worms. The worm bedding material will make sure that you get the desired outcome.

Overall, the Squirm Firm Worm Factory 360 is a top-class worm composter with multiple worthy features.

Overview: If you want a live worm farm starter kit with greater storage space, try the Worm Factory 360 worm composter. It has a large storage capacity and is quite easy to use.

3. Urban Worm Bag Worm Composting Bin

PROS

  • Breathable 900D oxford fabric construction
  • Marine-grade zippers
  • Strong iron frame

CONS

  • The bag gets heavy when full
  • Bottle zipper is less durable

Do you want a worm farm composter for both indoor and outdoor use? If yes, the Urban Worm Bag Worm Composting Bin will be an excellent choice for you. You can keep this worm composter either indoor or outdoor as per your wish.

Thanks to the heavy-duty fabric design that makes this unit suitable for all conditions. This design lets the Urban Worm product withstand extreme temperature without any damage. Though the UV rays can cause some damage to the bin, therefore, you should not keep it directly in the sunlight.

Also, the fabric used in this model is breathable. This breathable 900D oxford fabric construction makes this worm composting system a suitable option even in anaerobic conditions. As compared to other composting bins, this unit produces minimal odor because of the breathable feature.

Besides, you will have better control over moisture. It has a zipper at the bottom that you can close or open to manage the moisture according to the need. Aside from the bottom zipper, it also has a zipper at the top.

You can use the top end to feed while the bottom one to collect castings. Unlike other composting bins, you will not need to separate worms from trays because of dual zippers. The continuous flow shape of this worm composting bin keeps the worms happy.

Moreover, its total weight is approximately 7.5 pounds, while its dimensions are 26.75 x 26.75 x 31.75 inches. This Urban worm composter is one of the lightweight units in the market.

Another quality feature of this composting bin is its capacity to hold more vermicompost. It can keep up to 5 cubic feet of vermicompost with ease. This large capacity helps users to convert all the organic waste into fertile worm casting simultaneously. The greater capacity will permit you to produce more valuable soil amendments for plants and trees.

To assemble this worm composter, you do not have to put in a lot of effort. In less than 5 minutes, you can assemble and begin using this composting bin. It does not require tools, glue during the assembly process. The iron frame is another quality addition to this product. This iron frame is robust and lighter in weight. It works as a durable stand for the composting bin. The use of plastic 3-way connectors makes it more reliable.

Most of the parts used in the Urban worm composter are removable, allowing you to easily store this product when not in use for a longer duration. The urban worm bag is also foldable. This foldable feature allows users to create more or less space in the worm bag as per the need.

Overview: Urban Worm Bag Worm Composting Bin is a highly portable unit with a durable build. With no worry about damage, you can use it for both indoor and outdoor use.

4. Hungry Bin Worm Farm Composter

PROS

  • Continuous flow-through design
  • Eco-friendly
  • Vermin-free

CONS

  • Expensive
  • Heavier

If budget is not a concern for you, you must try the Hungry Bin worm composter because of its high-end features. Whether you want to utilize it for indoor use or outdoor use, you can choose this product as it supports both. Comparatively, it is a better selection than many indoor worm composters.

Unlike other traditional worm composters, you will not have to deal with mixing or stirring in this Hungry Bin farm composter. The continuous flow-through of this unit makes it deliver a top-notch outcome. The flow-through technology used in this product is patented, so you might not find this feature in other worm composters. This feature will make the process operate without your supervision.

The heavy 28 pounds of weight is the prime concern of many users while buying this worm composting system. Though the weight is heavy, it is still portable because of dual wheels. Because of the wheels, you will not need to carry this worm composter. The two wheels will help you to move it without any hassle.

Apart from weight, it also has a bulky shape. The 24 x 26 x 37 inches dimensions will require more area coverage. It is bulky because of the big bin that offers large storage. It has a high capacity of 20 gallons that will accommodate you in producing more vermicompost. The other premium quality of this product is that it supports multi-use. You can use it for both worm casting as well as worm tea.

Further, you can efficiently process up to 4.4 pounds of waste each day because of the capacity. It has a built-in lid that will let you add scraps easily. You can also use the lid to cover the food scraps. Covering the food scraps will prevent smell and flies.

The lid is at a standard height so that anyone can access it conveniently. Instead of a tap, this unit has a filter that drains the liquid into a tray. The tray present in the bottle is removable, which makes the task more flexible.

Moreover, the food scraps in traditional worm composters usually attract rats and mice, which most users dislike. However, you do not have to worry about rats and mice as the Hungry Bin worm composter is vermin-free. The vermin free means that it does not let mice and rats enter because of the raised design.

Concerning material, this unit is not that much stronger. It has a plastic material made up of recycled content. The use of polypropylene with organic colorants makes it an eco-friendly product. Overall, this Hungry Bin product is a worthy worm composter that will let you create worm casting and worm tea at the same time.

Overview: Hungry Bin Worm Farm Composter is ideal for those users who want a 2-in-1 solution. With this product, you can produce worm casting and worm tea simultaneously.

5. Tumbleweed Can O Worms Worm Composter

PROS

  • Fly-proof ventilated lid
  • Easy to assemble
  • Аppealing design

CONS

  • Occupy more space
  • Less breathable

If you are searching for a unique shape worm composter, you will surely like Tumbleweed Can O Worms. This vermicomposter has an elegant rounded shape that makes it look great. 20 x 20 x 25.6 inches are the dimensions, while 14 pounds is the weight.

It is a two-tray worm bin system that is much easier to maintain. The size of both the trays is large. The top tray stores the food scraps, while the bottom one is to harvest the worm castings. Because of substantial storage, both the trays get heavy when full. Though the trays are removable, some users might struggle to pull them out.

Further, the use of large containers provides more significant storage space. You can recycle around 3 to 4 kg of organic waste per week comfortably. This much storage will let you recycle more food scraps. Not only food scraps, but you can also recycle other organic material with this vermicomposter.

Another thing to talk about the Tumbleweed worm composter is the ventilated lid. The ventilated lid present in this product is fly-proof that accommodates users to add the food scraps conveniently. This fly-proof feature will keep all the houseflies away from this vermicomposter. These lids easily cover the two large trays.

Additionally, it has a durable base with five legs. These legs allow this vermicomposter to hold a greater quantity of organic waste without making them fall. It is a complete kit that includes a collector tray, spigot, and housing trays. The tap is drip-free, so you will not have to deal with the falling of unnecessary waste.

The best thing is you can assemble this whole kit in three simple steps. Without any fuss or mess, you can build this vermicomposter. This bin has a black color on it which makes it absorb an incredible amount of heat. Therefore, the bin might be quite hot during the summer. However, as this vermicomposter allows to regulate the worm bin temperature, it is not a big concern.

Moreover, the Tumbleweed brand also provides basic instructions on how to install this vermicomposter. The basic instructions will enable you to utilize this unit conveniently. Within a couple of minutes, you can assemble and start using it.

The prime issue with the Tumbleweed worm composter is the lack of breathability. Because of the material used, the air ventilation of this unit is poor. The plastic material makes it less breathable. However, to eliminate this issue, the Tumbleweed brand has added a few tiny holes that allow the air to pass.

Overview: Users who want a worm composter with an appealing design and substantial storage should try the Tumbleweed Can O Worms Worm Composter.

Buying Guide

Are you buying a worm composter for the first time? If yes, then you might struggle to choose the right one. Therefore, I have added this buying guide to learn about the key points to look at in a worm composter while buying.

Before that, following you will find some benefits of using the worm composter.

  • The worm composter will help you recycle food scraps and turn them into a useful soil amendment.
  • With the worm composter, you can easily eliminate unwanted food waste and convert them into a useful thing.
  • You can also use the worm composter to recycle other organic materials.
  • Most worm composters are eco-friendly and easy to use.
  • The worm composters also promote ease of harvesting.

Besides these benefits, the following are the key factors to consider while purchasing a worm composter.

– Indoor or Outdoor

Not all worm composters work in all conditions. First, you should decide whether you want to keep your worm composter indoors or outdoors. Some of these units are designed for indoor use, while some are for outdoor use.

A few of the worm composters also support both indoor and outdoor usage. You should look at the available space and climate conditions in your area before deciding between indoor or outdoor worm composters. If you have a higher budget, you can also go for the one that supports both outdoor and indoor use.

– Weight

The weight of the worm composter is also an important factor as it decides its movability. Make sure to choose the one with a lighter weight. If you are not going to move your composter frequently, then you can compromise on the weight.

Some of the brands add moveable wheels with their heavy vermicomposter, which makes them easier to move. So, you can also choose such units if you want.

– Material

If you want your worm composter to last longer, you should first check the material used. For outdoor applications, you should only prefer the unit with a robust material. Ensure that the material can withstand severe outdoor weather conditions.

Most of the worm composters that support outdoor usage come with sturdy plastic material. Some of these products also use resin material which is also durable. As compared to plastic, the resin can withstand more extreme temperatures, but its breathability is relatively less than the plastic.

– Capacity

The capacity of a worm composter will let you know the number of worms it can accommodate. Ensure to choose the one with a larger size so that you can recycle more organic waste quickly. A composter that can hold more worms indicates that it can recycle greater quality of food scraps.

Apart from the capacity, decide whether you want a composter with a sizable composting bag or a stackable tower design. If you desire to save some space, then the tower composter will be an ideal choice for you. On the other hand, the composting bags are sizable due to which many users choose them.

– Compost Tea Spigot

The compost tea spigot is another feature that many users want to include in the worm composter. It will help you transport the compost tea without causing any mess. You can mix this compost tea to fertilize the plants for their better growth. Therefore, before choosing the worm composter, examine whether it has a compost tea spigot or not.

– Installation

Some of the worm composters come in a pre-installed form. Without putting any effort into installation, you can begin using such worm composters. On the other hand, many worm composters will require you to assemble them. Therefore, try choosing the one that arrives as pre-assembled.

– Ventilation

If you want your worms to perform the task effectively, you should also care about their ventilation. Proper ventilation will help the worm to perform the job more effectively.

If the condition becomes too humid inside, then the worms will not work efficiently. Therefore, make sure to choose the worm composite with proper airflow. Luckily, all the listed products in this article have better airflow and ventilation. Therefore, you do not have to worry about ventilation while choosing the product from the list.

Conclusion

Though all the reviewed worm composters in this article have something great to offer for the users, I will recommend you to go for The Squirm Firm Worm Factory 360 worm composter. It is a reliable worm composter offering high storage capacity so that you can get more nutrient-rich organic fertilizers.

Apart from Squirm Firm Worm Factory 360, you can also prefer Urban Worm Bag Worm composting bin as per your choice. It also arrives with higher storage and breathable 900D oxford fabric construction that makes it last longer.

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