Ultima S.O.S.

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Shock, Oxidize and Sanitize with Ultima S.O.S. Ultima S.O.S. is a multi-function formula that shocks, oxidizes and sanitizes. You can swim in as little as 15 minutes after S.O.S. works its 4-in-1 action to eliminate organic wastes.


1lb Bag $5.50
6 x 1lb Bags $31.99 
12 x 1lb Bags $59.99
24 x 1lb Bags  $112.99
Ultima S.O.S.

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  • Contains Oxone by DuPont
  • Boosts free chlorine levels
  • Dissolves quickly
  • Contains no calcium
  • Buffered; will not affect water balance
  • Only 1 lb. treats 10,000 gallons
  • Features 4-in-1 action: shocks, oxidizes, sanitizes and boosts free chlorine

Use weekly to maintain sparkling clean water.:

1 lb. pouch

Since S.O.S. is buffered, it will not affect water balance. S.O.S. is specially formulated to prevent dull, hazy water. Add S.O.S. to pool water every week to oxidize contaminants introduced by bathers and to maintain sparkling clean water.

Compatible With:
Chlorine, bromine, ozone and salt water sanitizing systems

S.O.S. is a quick-dissolving shock, oxidizer and sanitizer in one. Contains 15% dichlor, 72% Oxone and 13% buffers and clarifying agents.