Is it alright to use a water filter that has calcium sulfite in it
sbhippie Well-Known Member Jan 30, 2022 #1 Is it alright to use a water filter that has calcium sulfite in it
T T.H.Cammo Well-Known Member Jan 31, 2022 #2 Plants need Calcium and Sulfur, so I don't see why not! Why are you filtering your water?
