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  1. i'm trying something and wondered if anybody else have tried it. I have seen from many fellow aquarium keepers that, to lower PH in your water, adding driftwood, leaves, etc. will reduce PH and the tannins in the wood and dried leaves will do the trick. So, I thought, black tea might do the same. I drink black tea and, since I have used teabags every time I have tea, why not try it in my higher-PH aquarium and see. I checked with simple strip and, indeed, the black tea I was drinking was more less acidic, below 6.8 PH. My well water for my aquarium (30 gallon) is about 7.2 PH. While it is fine for my fish and shrimp, I just wanted to experiment a bit. Seeing that black tea is safe to drink, it should be safe for fish tanks as well. I guess if you want quick result you could use a fresh new teabag but I thought that might be too strong. Anyways, just thought I put it out there and see. My result is, yes, it does reduce the PH but slowly. I am cautiously checking and see if my fish/shrimp will behave differently in lower PH.
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