Proper pool maintenance is your first line of defense in preventing most common problems. Following this easy maintenance checklist should keep your pool water crystal-clear and trouble-free. TWICE A WEEK Check and maintain pH levels at 7.4 - 7.6 Check and maintain chlorine levels at 1.0 - 3.0 ppm. Empty skimmer baskets, clean tile or pool water at water line with POOL SURFACE CLEANER, and skim leaves, insects and other floating debris from the pool surface. ONCE A WEEK Shock the pool by adding one bag of CRYSTAL CLEAR MULTI-SHOCK per 10,000 gallons. Additional shock may be needed after a rain storm, heavy bather load, or exceptionally-hot weather. Add a maintenance dose of ALGAE PREVENTATIVE or ALGAE TERMINATOR to prevent algae growth. Brush pool walls and vacuum pool floors. MONTHLY MAINTENANCE Bring a water sample in to Artesian Pools & Spas Inc. for a complete water analysis. MID-SEASON MAINTENANCE Clean your filter with FILTER CLEANER DEGREASER to remove any oils and grease that may have accumulated on your filter. IDEAL FACTORS FOR POOLS   WHY WHAT WHEN Sanitize Omni Chlorinating Stix or Tablets Continuously Remove organic waste Crystal Clear Multi-Shock or Breakout or Breakout 35 Every week or as needed Prevent algae Algae Terminator or Algae Preventative Every Week