Aqua Mix 1 lb. Sulfamic Acid Crystals are granular sulfamic acid to be dissolved in water. Removes grout and mortar haze. Can also be used to remove rust and mineral deposits including efflorescence.
- Can be used on acid resistant stone
- Works on granite, slate, ceramic, porcelain, quarry and grout
- Acid may etch, lighten or change the color of cementitious material and some natural stones
*actual product packaging may vary
Please Note: All clearance and bargain items are sold as is, no refunds, no returns. Such products as (but not limited to) grouts, caulking, sealers, etc. may be past manufacturer recommended expiration dates.