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Robelle Pool Calcium Up – 25 lb Granular Calcium Chloride to Raise Hardness, Fast-Dissolving
Robelle 25-Pounds Premium Pool Calcium Up is a dry calcium chloride formula designed to bring your pool's calcium hardness into the ideal 200–400 ppm range for most pool surfaces. Keeping calcium hardness within the recommended range helps protect pool surfaces and equipment from corrosion,...- £121.55
- £121.55
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My Garden Pool Calcium Booster 3 lb Bundle (3×1 lb) with 20 Test Strips & Scum Sponge — Protects Surfaces, Reduces Foam
Leisure Time Calcium Booster 3 lb bundle raises and stabilizes spa and pool calcium hardness to protect surfaces and equipment while keeping water clear. This all-in-one kit from My Garden Pool brings three 1-pound packets of Leisure Time Calcium Booster together with 20 easy-to-read...- £75.43
- £75.43
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Pool Mate 32-Pound Pool Stabilizer & Conditioner — Granular Cyanuric Acid, Fast-Dissolving
Pool Mate 32-Pounds Premium Pool Stabilizer and Conditioner is a concentrated cyanuric acid treatment that reduces chlorine degradation from sunlight and helps maintain a stable, effective sanitizer level. Keep your pool’s chlorine working longer with this granular cyanuric acid formula designed to dissolve quickly...- £227.38
- £227.38
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Pool Mate Calcium Hardness Increaser for Pools — 16 lb Bag, Fast-Dissolving Granular Formula to Prevent Etching & Staining
Pool Mate 16-Pounds Premium Calcium Hardness Increaser is a fast-dissolving granular calcium chloride formulated to raise and stabilize your pool's calcium hardness to the recommended range. Maintaining proper calcium hardness prevents etching, staining, and corrosion on pool surfaces and equipment. This 16-pound bag supplies...- £89.64
- £89.64
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Pool Mate pH Up for Swimming Pools — 10 lb Sodium Carbonate Powder, Fast-Acting pH Raiser
Pool Mate 10-Pounds Premium pH Up is a fast-acting sodium carbonate powder designed to raise and stabilize swimming pool pH to the recommended 7.4–7.6 range. Keeping pool water pH in the proper range is essential for swimmer comfort, sanitizer efficiency, and protecting surfaces and...- £75.58
- £75.58
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CLOROX Pool&Spa Alkalinity Increaser Granules 16 lb - Raises & Stabilizes Pool Alkalinity for Steady pH
Clorox Pool&Spa Alkalinity Increaser is a granulated treatment that raises and stabilizes total alkalinity to help keep pool pH steady. Keeping the total alkalinity in the right range is one of the fastest ways to prevent wild pH swings that cause irritation, cloudy water,...- £91.72
- £91.72
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SpaChoice 7-Pound Pool Stabilizer — Cyanuric Acid Conditioner, Fast-Dissolving Protects Chlorine from Sunlight
SpaChoice 7-Pounds Premium Pool Stabilizer and Conditioner is a cyanuric acid treatment that protects chlorine from sunlight, extending disinfectant life and helping you keep water balanced. Maintaining a consistent stabilizer (cyanuric acid) level is essential for outdoor pools to prevent rapid chlorine degradation from...- £95.50
- £95.50
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Robelle Alkalinity Up for Pools 20 lb — Sodium Bicarbonate, Fast-Dissolving for Stable pH & Low Cloudiness
Robelle 20-Pounds Premium Alkalinity Up is a fast-dissolving sodium bicarbonate formula designed to raise and stabilize total alkalinity in swimming pools. Keeping total alkalinity within the proper range prevents rapid pH swings and helps your sanitizer work more predictably. Robelle Alkalinity Up is concentrated...- £117.32
- £117.32
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