LONG LASTING: You only need to use it once at the fill or refill with new spa water
USE: When combined with Defender, this spa care chemical helps prevent scale formation
COMPATIBILITY: Chlorine, bromine, ozone and biguanide sanitizers
ADVANTAGES: The concentrated formula inhibits the accumulation of iron and other metals in your hot tub or spa; Helps avoid discoloration resulting from iron or other metallic substances.
INCLUDES: One 16-oz bottle of Leisure Time Metal Gon