Strongest, most effective chelating agents available for deactivating metals in Hot Tubs. Metal Free deactivates iron, copper and other trace minerals Prevents stains and water discoloration, Prevents calcium and mineral scale build-up.
Phosphate free! Will not raise phosphate levels Great for salt water Hot Tubs and Hot Tubs filled with well water.
Not affected by pH levels or water temperature.
Use 1 capfull on start up and as needed if problems with metals and staining persist.