Start Your Own Worm Bin (2024)

Starting your own worm bin (stackable + homemade):

If you're here you know the benefits of worm composting and want to get started making your own castings. Here you'll find a video on putting together a stackable worm bin and some steps for building your own simple home worm bin.

Here's a quick video on putting together a stackable worm bin

And here are the steps for building your own bin at home

Step 1: The Bin

The first thing you need is your bin

  • We recommenda 10 gallon tote or similar bin. Cut out the lid andcover the opening with 'weed control fabric.'
  • Other personal worm composters are available, such as the stackable bin on the right.

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Step 2: The Bedding

The next thing you need is bedding for the worms to live in

  • Start with soil from under an old growth tree which forms a nice base and adds some good fungi.
  • Add shredded paper, shredded leaves, and small bits of cardboard.
  • You can also add some thermophilic compost or normal topsoil to increase your bedding level.
    • The bedding should fill around half your bin.
  • Mix your bedding around and add dry soil or wetted cardboard bits to get the overall moisture level of your bin to around 70%.

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Step 3: The worms

We recommend using Red Wiggler (Eisenia Fetida) composting worms. They are the most efficient at breaking down food scraps and work great in home composting bins.

  • You will need around 1000 worms (1 lb.) to start your 10 gallon worm bin.
  • RedWiggler worms can be purchased online.
  • Wiggle Roomsells worms when supplies allow. We are careful to maintain a consistent population for best production and a healthy balance in our bins.

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Step 4: The Food

We recommend adding a mixture of inputs every 5-7 days. This will cause worms to go through the existing food more thoroughly, producing purer castings.

  • Red wiggler (Eisenia Fetida) worms eat the bacteria formed from decomposing food and other organic matter.
  • Addsmall pieces or ground up bits of vegetable scraps, eggshells, coffee grounds, etc.
    • Larger pieces can take a long to time break down and attract insects such as fruit flies.
  • Feeding is also a good way to balance your bin's moisture content. (70% moisture is recommended; material will clump together when squeezed, but easily crumble apart again.)
    • Too dry: Add wetter foods or feed more often
    • Too wet: Add drierfoods or feed less often
      • You can also add shredded paper or cardboard scraps to absorb excess moisture.
  • If worms are trying to escape you may need to add more food.
  • If you see food left over from an earlier feeding you may need to feedless or remove larger food scraps.

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Step 5: Harvesting

Simple 10 gallon tote:
After 3-4 months you will be ready to start harvesting your worm castings.

  • Start byfeeding one side of your worm bin for 2-3 weeks.
    • This will cause most of the worms to migrate to that side.
  • Harvest finishedcastings from the opposite side.
  • Repeat this process, feeding only on the other sidefor 2-3 weeks.
  • Harvest from the second side.

​Stackable worm system:

  • When the first level of your worm bin isfull, add a second tray and put new food in this tray. Worms will migrate up to the next level, leaving 'finished' worm castings ready for harvesting.

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Start Your Own Worm Bin (2024)

FAQs

How many worms do you need to start a bin? ›

That said, we recommend starting with 1 pound of red worms per square foot of surface area (for example a bin 1 ft x 2 ft =2 sqft of surface area) needing 2 lbs of worms– this should give them enough resources to break down organic matter quickly without overloading them with too much work!

How do I start my worm bin? ›

Combine shredded paper, soil and just enough water to dampen everything. Put the mixture into the tall bin and fill the bin about three inches deep. Add your worms to the mixture and let them get used to it for a day before feeding them. Make sure the mixture is very moist, but not forming puddles of water.

How many worms are in 1 lb? ›

These crafty minds figured out what the numbers would come to if we did take the time to measure a pound of worms by age. This is what they calculated: Roughly 1000 mature composting worms equal one pound. Roughly 4000 juvenile composting worms equal one pound.

How deep will red wigglers go? ›

Red wigglers only burrow 3-8 inches deep and more horizontally; unlike earthworms who burrow deeper. Red wigglers like temperatures between 55-75 degrees F. An adult red wiggler worm is 2-3 inches long and is dark red. Red wigglers reach maturity after 90 days.

Can I start a worm farm with 100 worms? ›

Play It Safe, Start Slow: 1/2 lb per square foot

Worms aren't cheap, so I'd much rather see a newbie start a new worm bin with about 1/2 lb per square foot. For Red Wigglers, this is 2 lbs, or about 1600-2000 worms. For European Nightcrawlers, 2 lbs will equal about 600-800 worms.

How deep should worm bedding be? ›

You need enough bedding to cover the bottom of the worm bin to a depth of 4 to 6 inches. It's best to include several different materials in the bedding. Mix at least two or three of the following materials for good bedding: Shredded newspaper or recycled printer paper.

How do you start a worm farm for beginners? ›

Six Easy Steps to Setting Up a Worm Bin
  1. Acquire a bin. ...
  2. Prepare the bedding. ...
  3. Add the worms. ...
  4. Bury food scraps under bedding. ...
  5. Place a full sheet of dry newspaper on top of the bedding. ...
  6. Cover and choose a spot for the bin.

Should I remove dead worms from my worm bin? ›

If you notice that some your worms are dead, act quickly to save the remaining worms with these steps: Move worms to a new, clean bin. Even if you don't have another designated worm bin, clean and use whatever container you have on hand. In the future, keep another bin around in case of emergency.

How often should I add bedding to my worm bin? ›

When do I add the bedding? When you start your worm bin, and at each harvest time, fill or top off the bin to about three-fourths full with damp- ened bedding. Add a few handfuls of garden soil to provide bacteria and grit to help worm digestion. Maintain a 2- to 3-inch layer of dampened bedding at all times.

How quickly do worms reproduce? ›

Worms are ready to breed once they mature from 50 to 90 days. Earthworms are hermaphrodites; they can be male or female (a great advantage!). They can perform both male and female functions and mate every 7 to 10 days. The mating process takes around 24 hours.

How many lbs is 500 worms? ›

There are roughly 1000 worms in a 1lb bag, 500 worms in a 1/2lb bag and 250 in a 1/4lb bag. Please remember that worms will roughly double their numbers every 90 days. Check out our Worm Care page for insightful information on how to keep your composting worms happy and healthy!

Can worm compost get too hot? ›

For optimal composting performance, worms and the entire composting ecosystem thrive within a temperature range of 15°C to 25°C (59°F to 77°F). Below this range, the ecosystem operates at reduced efficiency, while temperatures above 35°C (95°F) can prove fatal to the worms.

How often do red wigglers multiply? ›

The breeding cycle is approximately 27 days from mating to laying eggs. Worms can double in population every 60 days.

How do you fatten up worms fast? ›

The rolled oats, cornmeal, and alfalfa work together to plump up your worms quickly. The finer this mix is powdered, the quicker your worms will eat it up and fatten up. Moisten your worm bedding and then sprinkle it over the bedding surface.

What to feed worms to make them big? ›

DO feed your worms a rich assortment of the following fruit, vegetable, and organic waste, including:
  1. Fruit and vegetable peels, rinds and cores.
  2. Egg shells.
  3. Coffee grounds and filters.
  4. Tea bags.
  5. Aged manure from any vegetable-eating animal (rabbits, horses, cows, llamas, etc.)

How many worms for a 10 gallon bin? ›

They are the most efficient at breaking down food scraps and work great in home composting bins. You will need around 1000 worms (1 lb.) to start your 10 gallon worm bin.

How much space do 1000 worms need? ›

Generally, you can use 1/2KG (or 1000) worms to start one worm bin, using a 35-40L storage container. If you wanted to divert ALL of the food waste your classroom is creating, how many worm bins would you need?

How many worms to start a wormery? ›

However, soil from your garden and shop bought compost also works. Coir bedding adds absorbency. Half a bucket of bedding will give your worms room to burrow right from the start. To start with, we recommend adding between 300 and 500 worms to your new wormery.

What is the ratio for worm bins? ›

Try to keep a ratio of 70 percent brown matter (paper, wood, dried and dead plants) to 30 percent green matter (food scraps, young plants and wet leaves). To reduce the chances of fruit flies (eggs are often laid in items like banana peels) freeze scraps for 24 hours before adding them to your bin. Give the worms air!

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