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OnGuard Pool Winterizing / Closing Kit Up To 30,000 Gallons, K26003

OnGuard Pool Winterizing / Closing Kit Up To 30,000 Gallons, K26003

Mfg #: K26003

SKU: K26003

UPC: 91785026033

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OnGuard Pool Winterizing / Closing Kit Up To 30,000 Gallons, K26003

This winterizing kit helps keep your pool free from algae during the winter months. This kit is designed for pools up to 30,000 gallons.

Kit Includes

  • Winter Algaecide
  • Stain & Scale Preventative
  • Winterizing Cartridge and Foam Collar

Winterizing Instructions

(Click Here for Downloadable Version)

Important! Do not winterize pool until water is properly balanced and is clear of all algae growth, dirt, and leaves.

  1. Stop chlorination 24 hours prior to winterization.
  2. Pour entire bottle of winter algaecide into pool, making sure product is evenly distributed around entire pool.
  3. Pour entire bottle of stain & scale preventative into pool, also making sure product is evenly distributed.
  4. If possible, allow pump to circulate for at least one hour to ensure that the above chemicals disperse evenly.
  5. Lower water and drain lines, pump, filter and heater of all water according to manufacturer’ s instructions. If you use pool anti—freeze, add it to your plumbing at this time.
  6. For kits that contain a blue floater with a foam collar:
    Place floatation collar under the largest diameter. Punch hole #2 and exit hole on opposite side of bottle. Also punch out any 4 holes on bottom of the canister. Place cartridge in pool, smallest diameter down, allowing water to enter. Do not throw in pool.
  7. Cover pool with solid cover. *
  8. Note: If spring is unusually warm, it is desirable to lift up one end of cover and look for signs of algae growth. If detected, an additional dose of winterizing algaecide should be added.
  9. In spring, remove cover, reconnect all plumbing, raise water, and remove and discard winterizing cartridge.

Note: Ingredients in this kit will only be effective through, mid may. Thereafter, a regular pool care maintenance, program must be started.

* For safety covers (mesh), an additional bottle of winterizing algaecide must be added to the pool in early march.

2 Reviews

  • Posted by Kathy Shaffer on 10/12/2022



    This works so well and easy! When we opened the pool this past season, our pool was beautiful! Bought again for this season.

  • Posted by Wesley Lowe on 07/23/2021



    I bought this to winterize and close my pool this fall and it worked well but was so easy. There is 1 page of instructions that walk you through the process. No measuring!