Natural Chemistry Pool Magic Spring & Fall

Your spring opening and fall closing  will be hassle-free and take less time with Natural Chemistry Pool Magic Spring & Fall. 33.9 ounce bottle Bacteria free Non-corrosive Hypo-allergenic Non-toxic formula Safe and easy to use 100% biodegradable Preserves pool liner and finishes 100% safe for your family and environment Reduces staining and the need for acid washing Prevents winter waterline ring Directions for use: At Opening: Add entire bottle per 25,000 gallons directly to the pool water evenly around the edge Bring water level to normal and balance water chemistry Add product once sanitizer level is below 5ppm At Closing: Add entire bottle per 25,000 gallons directly to the pool water evenly around the edge Note: Sanitizer level should be below 5ppm before adding this product. No shocking necessary This product is considered a "hazardous material," is air-restricted and cannot be shipped to Alaska or Hawaii. All Chemical sales are final.