X-tra Strength Algaecide – 1L $19.77 35 in stock X-tra Strength Algaecide - 1L quantity Add to cart SKU: 907742 Categories: Clearance, Pool Chemicals Related products Oxy-Out – 7KG $69.77 Add to cart Pool Closing Kit – up to 100,000L $49.77 Read more Vinyl Shock $7.97 – $59.77 Select options Meta Sol – 1L $19.77 Add to cart