The Planted Tank Forum - View Single Post - Dead snails in substrate
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Old 01-10-2013, 05:31 AM   #9
lochaber
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Yeah, I wouldn't be certain it's dead snails until you find the corpses. most likely, as said above, it's just other organic that went anaerobic (biofilm, mulm, whatever).

If you think it's snails, try screening the substrate, you won't get all of them, but you'll get the bigger ones.

And, as said above, give it a few rinsings/washings, that should help get most of the nastiness out.
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