The worms really go for spirulina tablets, and seem to be okay with a soy pasta I've given them (terrible-tasting relic of the "low-carb" craze - was $0.01/package on clearance at a local bulk food store). Sometimes I run an airstone, but I bet the filter takes care of aeration just fine. Total depth of the water is about 3-4 inches (about 5 gallons total). After a couple days, the worms will all be buried into the sand, except when actively feeding. I've got about 1/2 inch of very clean (rinsed many times) play sand in the bottom. I have the worms in a under-bed sweater box, with a standard box filter hanging on the side. During a period when I was feeding regularly and measuring the growth (by volume), I was getting doubling rates of roughly once per 3-4 weeks. I got 2 smallish "portions" of blackworms from a local fish store sometime mid-winter. I mentioned culturing blackworms back in May, but never followed up on a question from Bob Bock. NANFA-L- Culturing blackworms - very late response If you agree, maybe drop a line of support in that topic: There's a lot of info on this forum, but it's scattered all about and not especially easy to find. I've been lobbying to create a new live foods subforum as a place to discuss all aspects of culturing/collecting live foods. The issue is that they seem to have a pretty slow growth rate compared to other cultures - definitely not something that you can start with a small culture and have it balloon exponentially in a matter of weeks. Maybe with that large of a colony I'll get a growth rate that's sufficient to harvest sustainably. I'm thinking I might set them up in a good-sized container with sand bottom, and just concentrate on feeding them to keep them healthy while I use them up over a period of months, rather than trying to grow the culture. That's actually better than if I ordered them directly from (they quoted me about $35 including shipping for 1lb). I just contacted my local independent aquarium store, and they can sell me 1/2 lb of blackworms for $17, or 1lb for $31. I might have given up on actually culturing these guys. If anyone figures something else out, I'd love to hear it.īut. Spirulina flakes were the only food I found to work consistently - but seems there must be something cheaper that you could feed them. Howdy - here's something I posted to the old e-mail list back in 2006 on the topic of blackworm culture.
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