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1.Drain your spa water every 3 to 4 months, depending on use. If your spa has an ozonator, changing your spa water may only be necessary every 8 - 12 months. 2.Add 1/2 cup bleach to 3 gallons of water and sponge clean your spa shell. Rinse with fresh water and dry spa with large towels. 3.The filter should be cleaned every month or more frequently for high bather loads. Soak overnight in filter fresh and rinse well before replacing in spa. 4.Rinse off scum bags or Bobs with fresh water and wring out. 5.Refill spa with fresh water to the recommended level. The water line should be approximately half way up the top skimmer. 6.You may want to bleed air from the filter canister and pumps to ensure the pumps will be primed. Look for tiny plastic thumb screws on your filter and your pumps and unscrew briefly to let the air escape. 7.If you have a timer, set your spa to filter on low speed for a minimum of 3 hours for every twelve hour period.