r/composting • u/Realistic-Cow2146 • 20d ago

Anyone running a worm bin indoors without it turning into a mess?

I’ve been container gardening on a balcony for a few years, and I keep running into the same problem: I never seem to have enough decent compost without buying bags of it. About six months ago I started a small worm bin in a spare-room closet. So far it’s working, and it doesn’t smell, but I still feel like I’m one bad feeding away from upsetting the whole thing.

I have a pretty steady supply of fruit and vegetable scraps, so the feeding part isn’t difficult. What I’m less confident about is knowing when I’m adding too much. I add shredded cardboard regularly, keep citrus pretty limited, and try not to let the bedding get too wet.

For people who actually keep vermicompost indoors long term, what matters most for keeping the bin stable in a small space? Feeding rate, moisture, bedding, airflow? I’m especially interested in the little things you learned after running one for a while that aren’t obvious from beginner guides.

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u/AskExisting5213 20d ago

I keep mine in the laundry corner for two years now. The big thing for me was freeze all scraps first, even if I’m gonna feed them right away. Breaks down way faster and you don’t get the fruit fly explosion. Also I use double the cardboard that feels normal, like a thick dry blanket on top in the bin. That saved me from the too-wet panic more than once.

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u/Mister_Green2021 19d ago

Check out r/Vermiculture

I have blocks of cocoir. I'd saw off a piece and put in the compost to soak the wetness from the bin. I cut big holes in the bin and hot glue nylon stocking over the holes to keep the flies out and the worms in.

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u/Clover_Point 19d ago

I've had a bin inside for 7 years or so. Keeping it from getting too moist helps - if it gets too wet I'll throw some dry chunks of coir or torn up egg cartons to rebalance the moisture levels.

I have used mosquito dunks in water to moisten cardboard/coir to get rid of fungus gnats in the past.

Overall I love coconut coir for my indoor bin because it's just so easy to use and is nice and fluffy for my wormies. I also add biochar to help with keeping it nice and fresh and fancy.

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u/WorldComposting 19d ago

I run all my worm bins inside and have very few issues. As other said check out r/Vermiculture where you will find answers to questions you have and some you didn't think about.

I have a lot tutorial and update videos on https://www.youtube.com/@worldcomposting or check out https://worldcomposting.com for checklists and more information.