Yes, Phosphate Minus KH drop is a known side effect. Phosphate Minus is a filtration medium that selectively binds phosphates from the water. However, its use may slightly influence KH (carbonate hardness) due to its chemical activity. Drops in magnesium and calcium are typically unrelated, but they may appear due to other factors like biological consumption or testing variations. Regular monitoring and balanced dosing will help maintain stable parameters.
