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Worm Factory 360 WF360B Worm Composter, Black

4.6 out of 5 stars 595 customer reviews
| 162 answered questions

Price: $106.65 & FREE Shipping. Details
Only 16 left in stock (more on the way).
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  • The Worm Factory 360 has a standard 4-Tray size which is expandable up to 8 trays, giving it the largest volume of any home composter.
  • The redesigned lid converts to a handy stand for trays while harvesting the compost.
  • Included instructional DVD with step-by-step guide for managing your Worm Factory 360.
  • The accessory kit provides basic tools to make managing the Worm Factory 360 easier.
  • Built in "worm tea" collector tray and spigot for easy draining.
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$106.65 & FREE Shipping. Details Only 16 left in stock (more on the way). Ships from and sold by Amazon.com. Gift-wrap available.

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Product Description

Color: Black


Composting with worms allows you to turn kitchen scraps, paper waste and cardboard into nutrient-rich soil for your plants. The Worm Factory 360 composting system makes the entire process quick and easy. With a thermo siphon air flow design, the Worm Factory 360 increases the composting speed. Now you can produce compost much faster than traditional composting methods. This version of the Worm Factory 360 comes in black, and it's also available in green and terracotta.


Why the Worm Factory 360?

Americans throw away 34 million tons of food waste into landfills each year, more than any other type of waste (EPA.gov). While traditional backyard composting has its place, the process can take up to two years and rotating it can become a chore. Worm composting uses worms to do the work of breaking down waste and is more efficient and easier to manage than a traditional backyard compost pile. In addition, its compact design makes it perfect for use in any household.

Worm composting makes it easy to recycle kitchen scraps, paper waste and cardboard into nutrient-rich fertilizer for your plants, creating a more sustainable lifestyle by recycling and improving soil quality. The Worm Factory 360 houses thousands of composting worms in a compact space. These worms work 24/7 to efficiently produce highly beneficial, rich compost packed with microbes and water-soluble plant nutrients.

This eliminates all the work of traditional composting and yields a much more valuable end product. Worm compost has been proven to have ten times the nutrients of traditional backyard compost. The more nutrients that are available to your plants, the larger they grow and the more bountiful your harvest is. This system allows you to enjoy organic vegetables, fruits, and flowers grown with the help of your kitchen scraps.


How the Worm Factory 360 Works

At A Glance

The Worm Factory 360 is simple to set up and operate. Managing your Worm Factory 360 takes less than 15 minutes a week.

Included with each Worm Factory 360 are a comprehensive instruction guide and DVD that make setup easy and give detailed tips on how to best manage your new Worm Factory 360 year-round.

Start with just the bottom tray and bedding material included. Add 1lb of composting worms and start filling the tray with household waste. The worms will process and recycle the waste into fine compost full of nutrients. When the first tray is full, stack another on top. Each tray has a grid bottom, so worms migrate upward as new food is added.

As waste is broken down, moisture filters through the system, taking nutrient-rich particles with it. This makes it possible to harvest organic liquid fertilizer right from the spigot.


Adding Food/Waste

Adding household waste to the Worm Factory 360 is easy; just open the lid and toss the food in. Fruits, vegetables, grains, paper, eggshells, leaves, coffee grounds and more can be added. Three foods to avoid are diary, meat, and citrus items; these can be harmful to the worms and are difficult to compost. Feed your worms about 50 percent food scraps and 50 percent fiber and paper. This creates the optimal environment for worms and finished compost. The goal is to recycle what you usually throw away.

Don't worry about feeding your worms every day. Some people feed them a handful a week; some people feed them a handful a day. The general rule of thumb is worms can eat about half their weight in food per day. This means that if you start with 1 pound of worms, they can eat a half pound of food per day. Worms can survive up to two weeks without any additional food. Just feed them a bit extra before going on long vacations.

In a healthy environment, composting worms will maintain their population without over or under populating.


Odorless Year-Round Operation

Your waste production isn't seasonal and your composting efforts shouldn't be either! Composting is no longer limited to the warm months. The Worm Factory 360 can be used indoors or outdoors, allowing year round operation. When managed correctly, the Worm Factory 360 is odorless, making it the perfect composter for apartments, kitchens, condos, garages, porches and more! Because of its unique design, the Worm Factory 360 allows oxygen to flow through the system, discouraging stinky garbage odors.

It is important to note that worms are living creatures, and cannot tolerate extreme temperatures. Keep the Worm Factory 360 so that the bedding remains between 40 and 80 degrees Fahrenheit, or where you would personally feel comfortable.

The Worm Factory 360 is expandable vertically, allowing a high compost capacity while maintaining a very small footprint. When full, each tray weighs 12.5 pounds, making lifting and arranging trays effortless.


The Worm Composting Cycle

Your first tray will take about three months to become fully composted by the worms. After the first tray is composted the other trays can take as little as a month depending on the waste added. Once you harvest your finished compost from the bottom tray, you will have an empty tray to stack on top again.

The nutrient-rich finished compost can be used in your garden, raised beds, container gardens, or on houseplants. Even if you're not a gardener, the Worm Factory 360 helps you reduce your impact and provides an alternative to throwing your waste into the landfill. Worm compost not only adds vital nutrients to your soil, it also conditions the soil to hold water longer, prevent plant disease, and promote healthy root growth.

Take one step in the green direction with the Worm Factory 360 and create a healthier, happier environment.


Key Features

Expandable Multi-Tray design gives the largest volume from the smallest footprint. Temperature is maintained indoors or out.
Odorless operation when following provided instructions for indoor use.
Ideal For Households of 1-4 people, additional trays can expand the worm factory to handle larger households.
One Step assembly right out of the box for easy, quick setup.
Made in the USA with high-quality recycled materials and includes a 10-year warranty.
Year Round production of compost when optimal temperature is maintained indoors or out.
See What
See what's included with the Worm Factory 360 view larger

What's Included

  • Mineral rock dust. Adds nutrients to your finished compost and beneficial to the worm composting process. 4 Stacking Trays. Large capacity right out of the box; can also be expanded with additional trays (sold separately)
  • Quick Tips Lid. Quick reference for how to feed your worms. Converts to handy stand for trays while harvesting compost.
  • Accessory Kit. The accessory kit provides basic tools to make managing the Worm factory 360 easier, including: thermometer, hand rake, and scraper.
  • Worm Ladder. Assists worms back into the upper trays.
  • Base with Spigot. Built-in "worm tea" collector tray and spigot for easy draining.
  • Instruction Manual and DVD. Step-by-step directions will guide you through every step.
  • Bedding Materials. Worm bedding helps ensure your success.

Compare Worm Factory Models

  standard 360
  Worm Factory Standard Worm Factory 360
Number of Trays 3-5 (expandable up to 7 trays) 4 (expandable up to 7 trays)
Footprint 16 by 16 inches 18 by 18 inches
Warranty 10 years 10 years
Lid Style Standard flat Dome vented
Quick Start DVD  
Accessory Tool Kit  
Available Colors

All models available in black, terracotta, and green


Product Information

Product Dimensions 17.9 x 17.9 x 14.9 inches
Item Weight 11 pounds
Shipping Weight 14.7 pounds (View shipping rates and policies)
Department Teak
Manufacturer Worm Factory 360
Domestic Shipping This item is also available for shipping to select countries outside the U.S.
International Shipping This item can be shipped to select countries outside of the U.S. Learn More
Item model number WF360 Black
Customer Reviews
4.6 out of 5 stars 595 customer reviews

4.6 out of 5 stars
Best Sellers Rank #5,045 in Patio, Lawn & Garden (See Top 100 in Patio, Lawn & Garden)
#11 in Patio, Lawn & Garden > Gardening > Composting & Yard Waste Bins > Outdoor Composting Bins

Warranty & Support

Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.


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Customer Questions & Answers

Customer Reviews

Top Customer Reviews

Color: Black Verified Purchase
(As the process continues, the review will update.)

Hi, I'm Michelle, and I have worms.

A few weeks ago I made the decision to give vermicomposting a try. I live in an area that supports recycling, but we still have to take the items there. The rest of the trash costs us per weight, and ends up decomposing in a way that is not healthy. Why not reduce the trips to recycling, the money spent having someone else take away the rest of it, and end up with healthy compost for our plants? Hey, when it's January and you live in one of the coldest states, you start thinking about gardening so that you don't go all Jack Torrance.

I read a lot on the topic, including a lot of advice on making my own bin. However, DIY bins almost always involved work in getting your slimy friends to go to The Other Side of The Bin. I decided to make the investment and buy a stackable unit, because they're made and used in a way that the worms migrate up and leave the finished compost behind. I thought it was well-worth the money now for the convenience and the anticipated money saved.

Set up of this unit was very easy, and I choose to follow the advice of many to set it up a week or two before the worms arrived in order to introduce them in when the environment was ideal for them. Worms, come to find out, don't care about your rotting food and yesterday's paper so much as they care about the microbes that care about these things, and so setting it up allows those microbes to show-up and chow down. The kit gave everything I needed, including shredded paper, with the exception of table scraps and the recommended dirt to introduce grit and microorganisms. Dirt is not readily accessible in Minnesota in January, but I managed a couple tablespoons of mud.
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Color: Terra Cotta Verified Purchase
I'm a huge fan of the Worm Factory products. I own three bins, one is the original and two are the 360. While the 360 has a few silly whistles & bells that the original didn't include (instructional DVD, a plastic rake my 3-year-old loves, a black thing called a "sprinkler" that I haven't figured out yet) it is worth the small additional investment for a few reasons:

1. Higher capacity. The 360 maxes out at eight trays because of its sturdier base. If you plan to grow your colony this is important.

2. Better lid. The lid on the 360 fits more securely and can hold trays while you are harvesting. Great feature.

3. Thermometer. I bought a meat thermometer for use with my original Worm Factory, then found the 360 comes with one. Very handy when one of your trays is overheating.

4. Pumice. They send you a generous quantity of pumice with the 360. This is great to sprinkle in the trays for moisture control and airflow.

5. Better designed spigot. The spigot on the original isn't slanted down like this one, so it's tough to drain the leachate completely from the collection tray.

6. Increased oxygen flow. The bottom tray sits up on risers to allow airflow in the leachate bin. This is a huge improvement over the original, where I had major issues with product quality once I reached maximum tray capacity.

This is a super accessible product and you will not be disappointed.
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Color: Green Verified Purchase
I did a lot of research and I've been very pleased with my decision to buy the Worm Factory 360. I started with 2 lbs of worms (versus one) because I knew that we would have enough kitchen scraps for the additional worms. The only surprise that I've had was when I put in a bunch of cantaloupe scraps (seed pulp and chopped up rinds) and opened the bin a week later to find tons of sprouts growing in the worm castings! I guess it goes to show how great a fertilizer the castings are...too bad it isn't time to plant cantaloupes!

I go ahead and chop up the worm food scraps while I'm preparing our food and put it in a plastic container inside the fridge. For example, it doesn't take much extra time to cut up the cucumber and avocado peels (I prefer to use kitchen shears) while making a salad. I also feel better recycling vegetables and fruit that I let spoil instead of just throwing them out (makes me feel less guilty about wasting food and money). I was able to finish my first full bin in a little over a month. I've avoided any bad smells by putting down a layer of wet shredded newspaper, a thick layer of food scraps, and then covering all of the food thoroughly with more wet shredded newspaper (use your document shredder, it's very fast that way!). I now cover 1/4 of the bin at each feeding, about once a week.

As to the construction, the Worm Factory is well made and seems to be made of durable plastic. The design is easy to use and I like how you can rest a bin on the inverted lid so that you don't squish any of the worms hanging from the bottom.
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Color: Black
I have been vermicomposting for over 15 years now with a 5 tray original worm factory and about 2 years with an 8 tray WF360 ($50 on craigslist like new but missing the coir and half of the pumice, then added 4 trays) and a Bio-Orb Composter (used for worms). I originally wanted the can-o-worms composter but the sales guy talked me into a 5 tray worm factory over a 3 tray can-o-worms. The advantage the original has over the can-o-worms is the footprint that it takes up is less. I think I would buy the can-o-worms over the original worm factory mainly because of the base and the lid. After 15 years I could say that durability is not a problem. The Worm Factory 360 is a small and big improvement over the original. First the original and the WF360 are almost the same thing. The small difference is in the base, worm ladder, the lid, DVD, pumice and the included tools. The big difference is the increase airflow. While this might not seem like a big improvement it does make a much better environment for the worms. This also discourages the growth of any composting mites that seem to like a more wet and acidic environment. I can't say enough about the included tools too. I use the plastic claw rake to spread the food out to the side of the trays (because you will find that you don't really want to touch garbage). The squeegee is handy for cleaning debris out of the drip tray and worm ladder and trays. The thermometer looks like a custom quality unit and is good if you are using materials that could possibly heat up. I never used the pumice before or read anyone recommended it so I think it is really unnecessary. 4 trays are a good amount, 6 trays would be good if you have a big worm population, 8 trays maybe a little over kill unless you got hooked on this.Read more ›
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