Buy acid free pool descaler with ScaleTec Plus. Use 64 oz. per 10,000 gallons of water before draining or acid washing to help descale your entire pool, equipment, and plumbing. Additionally, save more for Phoenix, AZ pool owners. 64oz Bottle Calcium Pool Descaler Iron & Scum Remover & Preventative Helps remove and prevent scale buildup No Scrubbing or Acid ScaleTec Plus Pool Descaler ScaleTec Plus transforms your pool maintenance routine. Furthermore, the ultimate solution battling stubborn calcium buildup and stains. Why Choose ScaleTec Plus: Advanced Synertec formulation is non-acidic and ultra-low in phosphates Easy-to-use solution for maintaining a clean, safe, and inviting pool environment Replaces hazardous acid-washing methods and costly professional tile cleaning Calcium Stain Removal ScaleTec Plus delivers effective, safe, and easy-to-use solution for calcium and stain removal. Therefore, keep pool surfaces sparkling clean and extend the life of your pool equipment.