The Planted Tank Forum - View Single Post - Hydra and plants?
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post #2 of (permalink) Old 11-16-2012, 10:37 PM
Monster Fish
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Join Date: Mar 2011
Location: Queens, NY
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Fenbendazole works great for killing hydra. I had a hydra outbreak in my 5 gallon before I added any shrimp. After 3 days of dosing, there were no hydra to be found, even in my dense subwassertang forest. A word of caution though - it might kill some snails. I'd remove any MTS, nerites, or other snails you'd like to keep alive. Though the fenbendazole did nothing against my pond snails. Hope that helps.

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