Ultima® S.O.S. is a multi-functional shock treatment that oxidizes and boosts free chlorine concentrations creating clean, clear water fast. Its unique formulation contains a powerful clarifier, oxidizer and chlorinating agent and will not affect water balance.
- Quick dissolving shock, oxidizer, buffer and clarifier
- Boosts chlorine residual
- Specially formulated to prevent dull, hazy water
- Swimming may resume 15 minutes after treatment
Available Size: 1 lb.