Aren't tubifex worms the ones that are more likely to be contaminated? Then there are blood worms, and then there are California black worms. Which ones do you feed? CBW are expensive.
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Eheim Pimp #254, Eheim Wolverine #1
55 Gallon Work in progress
10 Gallon Shrimp Tank
10 Gallon Planted QT
20 Gallon Shrimp Tank (Work in progress)
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