It is an acid. If you use it to lower your PH, do it one drop at a time and test after every drop. But it does work very well And you get so much you will probably never have to buy it again. How often should I use api ph down? More Information. Lowers … Read more
Are aquarium rocks poisonous ? Most rocks are perfectly safe for the aquarium Rock/ mineral types that leach toxins into water are very rare and are often found deep underground. Are polished rocks safe for aquariums? If your polished stones have a traditional finish, they’re most likely aquarium safe rocks Still, you should boil any … Read more