Metal-Free Pool Chemical 2 x 1 Liter by Natural Chemistry
Take Action To Prevent Pool Discoloration and Staining due to Trace Metals!
Highly effective metal deactivation agent. Prevents staining and discoloration from iron and copper that may be in pool water. Ideal for swimming pools with well water. Does not raise phosphate levels in water (phosphates are a food source for algae).
Dosage: 1 liter per 20,000 gallons