awesome thanks, i figured the tannins would be ok, but didn't want to assume. i did research on the plants before i bought them and it was one that was recommended and ok on several sites for fbt's. i didn't even think about the rotting organic material (DOH!). looks like it's time to put up a permanent barrier. i'll probably add some glass in there with sealant. i think my filter will be happy...thanks again!





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thanks, again for all your help! newbs like me depend on it!
