Bio-Dex 300 Tile Cleaner300 is a thick, concentrated formula that removes calcium deposits, dissolves oils, grease and most soils. The fast acting formula cleans oil and dirt quickly and effortlessly. 300 Tile Cleaner Features: Concentrated Swimming Pool Tile Cleaner Removes calcium deposits, dissolves oils, grease and most oils Fast acting formula Convenient squirt bottle top 32 Ounces How to Apply: Heavy calcium build-up: Apply directly from the bottle to calcium deposits. Allow to dwell for 5 minutes, then scrb area and rinse. Repeat if necessary. Light calcium build-up: Apply as above and allow to dwell for three minutes, then scrub area and rinse. Tile Maintenance: Clean pool tile weekly using Bio-Dex Quick 'n Thick Tile Cleaner. To reduce water hardness and calcium build-up, use Bio-Dex Protect-All Supreme. Bio-Dex BD300
