Outdoor pools can go through alot of chlorine when not properly protected. Protect the chlorine in the water with SunBlock.

Product Details


  • Cyanuric Acid granules
  • Prevents unnecessary loss of chlorine due to the sun


  • Reduces chlorine consumption
  • Most swimming pools will apply only once a season


  • Optimal levels of SunBlock should be maintained between 30 – 70 ppm
  • If pool is equipped with plastic (PVC) piping – product should be added VERY SLOWLY to the skimmer – otherwise add directly to the pool.
  • Keep water circulating and filter maintenance for 3 days and avoid backwashing pool filter

Available Sizes

4 lb pail
10 lb pail

Product Downloads

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