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i was also thinking, do you think that you could put some type of finer screen on the bottom of the can, and then pour the activated carbon from pet stores in it? i think it would make for a more efficient filter, what about you guys?
by the way, this looks to be an awesome design, good thinking.
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all of my coments are for any plant species, and their specificity is not condusive to any one species in particular!?
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