Pool Stain Remover - SST-C12 Super Stain Treat, 2.5 lb - Fiberglass, Gunite, Vinyl & Marcite - Powerful Granular Stain Remover - Replaces Acid Wash

【Powerful Stain Removal】: Effectively removes metallic stains from fiberglass, gunite, vinyl, marcite, and exposed aggregate pool surfaces; delivers a powerful cleaning action, restoring your pool's original sparkle without the need for draining or acid washing; ideal for tackling stubborn stains caused by iron, copper, and other metals. 【Granular Concentrate】: This 2.5-pound package contains a highly concentrated granular formula; more potent than liquid stain removers; provides a cost-effective solution for maintaining a clean pool; includes 12 containers per pack for extended use; simple to apply, dissolving quickly and evenly throughout the water. 【Wide pH Compatibility】: Works effectively across the entire pH range, ensuring consistent results regardless of your pool's chemical balance; eliminates the need for pH adjustments before application; suitable for various water conditions, providing hassle-free maintenance; simplifies pool care with its versatile formula. 【Easy Application】: Add 2.5 pounds per 15,000 gallons of water for optimal results; convenient and straightforward application process; saves time and effort compared to traditional cleaning methods; minimizes pool downtime, allowing you to enjoy your pool sooner; ideal for seasonal cleanup and routine maintenance. 【Versatile Pool Compatibility】: Compatible with all pool surfaces including fiberglass, gunite, vinyl, marcite, and exposed aggregate; a single solution for various pool types; delivers consistent stain removal performance across different materials; simplifies pool maintenance with its broad compatibility; designed for use in both residential and commercial pools.