Richard Sexton wrote:
Try keeping fishless tanks with just, say, shrimp and plants. You
get all sorts of crasy stuff:


I got a colony of springtails once in a planted tank with fish, shrimp
and all. They hung out for three or four months until I went away for a
few days. The fish worked for their meals for a change and the
springtails were gone!

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__ Elaine T __
__' http://eethomp.com/fish.html '__