Mineral Springs Renewal 4# BioGuard Mineral Springs Renewal replenishes lost mineral levels and rejuvenates the Mineral Springs System. It is step 2 in the system. The Mineral Springs System utilizes easy-to-apply minerals and a chlorine generator to produce a chlorine sanitizer. It only takes 5 minutes a week to maintain - once you've begun the system you only have to add the Renewal product once a week. The Mineral Springs System is ideal for pool of any size or surface, pools equipped with any chlorine generator, frequent travelers or vacation takers, and those looking for the luxuries of a mineral pool. *Please Note: This product will not ship to California Product Dosage: 1lb per 5000 gallons of water per week Directions: To maintain soft, gentle, sparkling water, add one pound (approximately 1 1/2 cups) of Renewal per 5000 gallons of water per week. Broadcast evenly around the edges in the deep end of the pool when the pool is not in use Add when pump and filter are running Reapply after heavy rain showers (2 inches of rain within 24 hours) Have your pool water tested monthly by your local BioGuard Dealer.