poolife NST PRIME Tablets – 20.2lb Bucket

SKU: 22425


A sanitizer that lasts for days! With its unique octagon shape, these extended release tablets use a proprietary slow-dissolving Cal Hypo technology. What’s more, it does all this without adding any Cyanuric Acid (CYA) to your pool water.


  • Step 1 of the NST System
  • For use in skimmers and with the Poolife NST Prime Feeder. Follow Poolife NST Feeder operating manual for specific tablet use.
  • Skimmer basket must be free of all other water treatment products before adding tablet(s).
  • Place the tablet(s) in the empty skimmer basket. Replace with a new tablet as needed.
  • For optimum product performance, swimmer comfort and crystal clear water, always maintain pH from 7.2 – 7.6, total alkalinity from 60-120 ppm, calcium hardness above 200 ppm and free available chlorine residual between 1-4 ppm.
  • Best used with Poolife NST Purify Oxidizer and Poolife NST Patrol Algaecide.
  • Compatible with chlorine, salt chlorine generators, ozone and mineral systems.

Active ingredient: Calcium Hypochlorite (Cal Hypo)

Available size(s): 4.5lb, 9lb, 20.2lb, 39.4lb

In stock