Hop over to Walmart and get your pool ready for the season with a deal on HTH Pool Shock Advanced Granules. This 6-pack is designed to provide effective pool shock treatment that keeps your water clean, clear, and safe for swimming. Each pack treats 13500 gallons of water – Ideal for weekly pool sanitizing, these … Continue reading HTH Pool Shock Advanced, 6-Pack $22.90 (Reg. $29.99) – $3.82 each! 7.7K+ 4.6/5⭐