5ml for 200l does sound brilliant!I use Seachem Prime. 5ml per 200 ltrs I think it is to dechlor.
But what I have trouble getting my head around is, well lets say im adding just 15L of water to my aquarium, how much would I add to declor?
0.4 of a ml? Thats crazy. How would u even messure that out?

/www.thetropicaltank.co.uk/rev-cond.htm


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