lowering PH

What is your ph now? What fish are you keeping? Why do you want to lower it? Most fish are bred in neutral water so a ph close to seven is acceptable even if that is not what the fish incures in the wild.
 
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Peat will help.... :)
 
2 convicts... a jack depsey.. and an oscar... I hope they are in seperate tanks of appropriate size =)

Peat may or may not work for you... I tried peat filtration once, and it didn't work for me. All it did was turn my water brown. I believe it only makes a good impact if your water is not overly hard... my water is hard, so that would probably explain it. Another thing you can also try is putting in a fair sized piece of driftwood into your tanks. It essentially gives you the same effect as peat.

HTH
-Richer
 
Well, at least two of those fish will THRIVE in pH of 8.3, and I wouldn't worry too much about the Oscar, either, unless it was wild-caught. As long as you acclimated them to your water, they'll be fine in it and not die from alkalosis.
 
Have you tried RO water? Maybe do a fifty percent change with RO water and then wait a day and do another one. I don't know if that would eat up the buffer or not in a PH like that but then maybe if it drops your pH you could do mixed water changes with RO and tap. Or you could just keep Africans.
 
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