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What do I do if my worm farm is too wet?

Author

Rachel Ellis

Published Jan 16, 2026

If the wormery is already too wet, empty the sump tray and leave the tap in the open position. In addition, add plenty of paper (scrunched up newspaper is particularly good) to the top of the compost/food waste in each layer of the wormery, but don’t disturb the compost by mixing the paper in.

How do you fix a worm farm that is too wet?

Dry Out the Worm Bin

Stop adding very moist scraps until the problem is under control. Avoid fruits, especially melon flesh. If the worm bin has a spigot, open it until the problem is solved. Add more bedding.

How do you dry out a worm farm?

By mixing the contents of your worm bin every once in a while, you can maintain a fairly even moisture content without spritzing. If you are finding that the contents are dry, add a few high moisture content foods, or add some ​fresh moistened bedding. That should even things out very well.

Can worms get too wet?

Moisture levels are critical for your composting worms' health. If it's too wet inside, your worms can get sick. They can even drown.

How wet should soil be for a worm farm?

As discussed in our Worms breathe through their skin blog – keeping your worms moist is key to ensuring they can effectively dissolve oxygen into their bloodstream through their skin. Your worm farm environment should maintain a moisture content range of around 60-85%.

25 related questions found

Should I wet my worm farm?

Worms love an environment with a moisture content of 70% or more. Food wastes usually contain about 80 per cent water and this will be released as the worms break down the food scraps. However, it will remain in the bedding for a long time before eventually draining out, so it's important to add water as well.

Can a worm farm be to wet?

Worm farms can get too wet if the drain hole or tap at the bottom clogs up with castings or dead worms. Check if this is the problem. It can be fixed by poking a piece of thin wire through the hole, or by removing the tap altogether if it keeps blocking up.

Should worm blankets be wet?

Evaporation is a problem in the hot summer months. The lid helps keep the moisture in. If the bin dries out often, lightly sprinkling it with a watering can will help. Additionally, a worm blanket can be placed on top of the bedding.

Do worms like wet soil?

Earthworms naturally thrive in soil that is beneficial to their health. These creatures prefer cool, moist soil. According to Nanette Londeree of the Marin Rose Society, earthworms are made up of about 80 percent water by weight and lose about 15 percent of that water daily, so they need moist soil.

Can I use potting mix for worm farm?

Gritty soil particles also aids the worms' digestive process. Potting soil, or soil from outdoors is fine.

Are eggshells good for worms?

The calcium in eggshells also helps keep your worm population thriving by contributing to reproduction. The exact reason isn't fully understood, but worm farmers have long noticed a boost in reproduction after adding eggshells to their bins. Now you can spread the love by sharing your worms with a friend!

How do earthworms respond to moisture?

Because earthworms breathe through their skin, it must be kept moist in order to work. Dry skin stops the diffusion process, effectively preventing earthworms from getting oxygen. That is why worms are so commonly spotted above ground when it is rainy and at night, when air is wetter.

How wet should my worm bin be?

Ideally, the worm bedding should be at about 80% moisture. The bedding should definitely feel moist but when you squeeze it, no water should drip out. Also, when you squeeze it you should not hear crackling of dry paper or dry leaves.

Do I need to add water to my Wormery?

Add water only if the wormery appears dry. An established wormery can be left without the addition of food for up to four weeks. However, the liquid may accumulate which needs to be drained off to avoid waterlogging.

Can red worms drown?

Yes, composting worms can drown. Since worms breathe through their skin, they can drown in a composting container in at least three ways: The worm bin is watered too often. There is not enough drainage to carry away excess moisture.

Do earthworms prefer wet or dry conditions?

Earthworms like moist soil. They can survive in dry soils but they are not active. However if the drought is severe, they will die. In dry conditions, they can burrow deep into the soil to 1 metre, tie themselves in a knot, secrete a coating of mucous about themselves which dries and helps prevent water loss.

Where do worms go when raining?

When the rain hits the ground it creates vibrations on the soil surface. This causes earthworms to come out of their burrows to the surface. Earthworms find it easier to travel across the surface of the soil when it is wet, as they need a moist environment to survive.

Do earthworms prefer light or darkness?

Worms do NOT like light! They prefer dark. All of the worms hurried into the corner furthest from the light and huddled together! We even had one crawl under the paper towel.

Are coffee grounds good for worms?

Worms love to eat coffee grounds, and that's great news for your garden. Add coffee grounds to your compost pile to help attract worms, which help speed up the process of turning food scraps into compost. You can also add coffee grounds directly to the soil, but you'll have to be careful not to overdo it.

Can worms eat tomatoes?

Let's dive in! *Tomatoes are slightly acidic, but worms still seem to like it and will tolerate it just fine in moderation. Whether you have an abundance of melon rinds, spoiled apples or fruit trimmings, you can feed them to your worms by slicing them up into manageable portions.

Do worms eat tea bags?

Worms will eat anything that was once living, Leftover vegetable scraps, fruit and vegetable peelings. Tea leaves / bags and coffee grounds.

Can worms live in Miracle Gro?

Miracle-Gro, for example, contains ammonium phosphate and several other chemicals that can be toxic to soil, plants, and worms.

Can worms eat grass clippings?

Yes! You can add dry grass clippings and deciduous leaves to your worm farm, as long as you keep food scraps and dry waste balanced. Avoid adding fresh lawn clippings, evergreen or native leaves, and sticks or woody stems.

Can worms eat banana peels?

Bananas are a great and inexpensive snack for both us and our worms. Those peels are desirable to compost worms no matter what shape they're in. They'll make short work of what otherwise would have taken up space in your trash.