100) New AQUACHEK Select Refill Swimming Pool Spa 7 Test Strips pH/Chlorine

Just dip an *AquaChek Select* 541640 test strip in your pool or spa water for one second and remove it immediately. You get results in seconds! It's a simple, cost-effective way to ensure that the water is safe.To keep your pool at its best, test at each end at least twice a week, and test your spa before each use. You may also want to write down your results so you can track changes over time.

New *AquaChek Select* Refill 541640 7 in 1 Test Strips (100 Strips) For Swimming Pool or Spa Results in seconds Fast and Easy Tests for Total Hardness keeps water from causing corrosion or scaling Total Chlorine help you determine when to shock (when comparing to a total chlorine) Total Bromine ensure clean water Free Chlorine keeps water sparkling clean pH Total Alkalinity prevents sudden pH change Cyanuric Acid (Stabilizer). protects against chlorine loss caused by sunlight Comes with 50 test strips Includes a reusable plastic color comparator Part #: **541640** Product Condition: Brand New 1 Year VMInnovations Warranty