I got this med from a shop,and im still a bit confused with it.2 drops for 1 U.S. Gallon???i have a 20 gal and so i...put 40 drops??No worries,i havent done it yet..just asking.how low will it go?
pH buffers are not medications and very few freshwater tanks need their pH lowered. Adding that stuff will cause your pH to become unstable and an unstable pH is far more dangerous to fish than a stable high one.