Robelle 2430 4-in-1 Water Treatment/Clarifier for Swimming Pools, 1-Quart

Robelle 4 In 1 Water Treatment, a natural swimming pool water clarifier, is completely biodegradable. This water treatment clarifies cloudy water and eliminates oil and scum lines, removes excessive metal content and improves your filter's efficiency! Weekly use helps to reduce demand for pH adjusters, shock treatment and algaecides. Robelle 4 In 1 Water Treatment removes phosphates from your pool preventing the growth of algae. Use this clarifier weekly to maintain pristine pool water. This product produces crystal clear water through a 4 by 1 action. The rich green formulation combines a powerful clarifier, sequestrant, chelating agent, and flocculant in one convenient product. This product helps prevent scaling, staining, scumline buildup, and foaming in swimming pools and spas. This product requires no pre-mixing, will not affect pH and is compatible with all swimming pool sanitizer systems. It is also useful in removing oils, soaps, metals, cosmetics, and other particulate matter that can cause staining, cloudy water and discoloration in swimming pools and spas.This product may increase filter efficiency. Initial Application: Clean or backwash the pool filter. Apply 1 oz. per 5,000 gallons of swimming pool water. With pump on and water circulating, apply product directly along the edges of the pool or broadcast over the surface of the pool water. For best results, allow at least 6 hours of pool circulation after applying. If water is cloudy or discolored after 72 hours, re-apply 1 oz. per 5,000 gallons of pool water, running pump continuously until clear. Maintenance Application: Apply 1 oz. per 5,000 gallons once every 2 weeks. This will keep your pool looking crystal clear.