Hello All,

I am trying to start a colony of California black worms(Lumbriculus variegatus) In my soon to be 10 gallon sump for my 20 gallon long river tank.

What I am trying to find out more about is:

-what is best to feed them?

-what substrate should be used, (everything online says paper towels but I'm not going to pick single worms out of mush to feed, that is total crap)

-how much or little flow can they handle

-how far from the surface can they be, (is about a foot okay?)

Thank you in advance for your help,


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