Hmmm seems like i'm the only one that uses tropic marin but i buy it by the 55lbs bucket treats 200 gallons of water and they give u a free kh/alkalinity test kit with it. It's a little more exspensive than IO but to me it's worth it give it a try.
guess i'm the only one that uses tropic marin it's a little more exspensive than io but i think it's worth it. i buy it by the 55lbs bucket it treats 200 gallons of water
