Check the listing for details. Sirona Simply Test Strips ( 25 ). Condition: New. Listed at 24.99 USD. Sirona Simply - Test Strips (25 Strips)Part #82120New! Compatible with all Baqua Spa Chemicals.SIRONA SIMPLY TEST STRIPS 25 COUNTReplaces Baqua Spa Test StripsSirona Spa Care Simply Test strips provide the fastest and easiest way to test your spa water. Important Tips:Test spa level twice a weekStore strips inside the home, away from extreme heat or sunlightTo open cap. push tab up with thumb and carefully pull out a stripAvoid wet fingers inside the bottle and close the cap tightly right after removing a strip.In spas, turn off jets and immerse the strip to a depth of 6"InstructionsImmerse strip for 2 secondsRemove with pads face upShake strip once to remove excess waterWait 10 seconds and compare to color chart immediately. Note: For the initial treatment of a new spa cover, apply two coats of Cover Returns are not accepted on opened or used products and are subject to a 10% restocking fee unless return is covered under warranty. An RMA/RGA is required to return all products Buyer pays all return shipping if item is not covered by warranty If you have any questions, please feel free to contact Clearview Fireplace and Patio We would be happy to help