18% heavy duty phosphoric acid scale remover and
cleaner. Removes the toughest scale, stains and
discolorations from tile, porcelain, fiberglass and many other
hard surfaces. Viscous concentrate for clinging penetration.
Attention CA Residents:Prop 65 Warning
WARNING: This product can expose you to chemicals including lead, which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to www.p65warnings.ca.gov.