Spa Rust & Scale 1-Pt.
RUST & SCALE
ADD BLUE WAVE RUST & SCALE EVERY TIME YOU RE-FILL!
Rust & Scale prevents and controls staining by removing iron and other stain-causing metals from your spa. Add the correct dose every time you add fresh fill water. Regular use will also gradually remove existing stains.
Dosage rate: 8 oz. per 500 gallons.