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Pool Mate 32 lb Calcium Hardness Increaser for Pools — Granular Formula to Raise & Stabilize Hardness
Pool Mate 32-pound Calcium Hardness Increaser is a dry granular calcium chloride formula designed to safely raise and stabilize your pool's calcium hardness to the recommended range. Maintaining proper calcium hardness protects pool surfaces and equipment from the effects of water that's too soft....- £199.40
- £199.40
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Robelle Pool Calcium Up Granular Calcium Chloride 32 lb — Raises & Stabilizes Calcium Hardness for Pools & Spas
Robelle 32-Pounds Premium Pool Calcium Up is a granular calcium chloride treatment that raises and stabilizes your pool's calcium hardness to the recommended levels. Maintaining proper calcium hardness prevents surface damage and helps water chemistry stay balanced. Robelle Calcium Up is a dry, fast-dissolving...- £193.78
- £193.78
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Robelle Chlorine Stabilizer (Cyanuric Acid) 21 lb Bag — Fast‑Dissolving, Protects Outdoor Pool Chlorine
Robelle 21-Pounds Premium Chlorine Stabilizer and Conditioner is a cyanuric acid treatment that quickly raises and maintains stabilizer levels to protect pool chlorine from sunlight. Keeping free chlorine effective in outdoor pools requires a stabilizer to shield it from ultraviolet degradation. Robelle’s 21-pound bag...- £164.37
- £164.37
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Robelle Pool Chlorine Stabilizer 28 lb — Cyanuric Acid Granular, Fast-Dissolving UV Protection
Robelle 28-Pounds Premium Chlorine Stabilizer and Conditioner is a granular cyanuric acid treatment formulated to protect free chlorine from rapid breakdown by sunlight, helping maintain effective sanitizer levels in outdoor pools. When outdoor pools lose chlorine quickly from UV exposure, adding a stabilizer (cyanuric...- £203.50
- £203.50
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Pool Mate Pool Stabilizer & Conditioner — 16 lb Cyanuric Acid Granules for Slower Chlorine Loss, Fast-Dissolving Formula
Pool Mate 16-Pounds Premium Pool Stabilizer and Conditioner is a cyanuric acid treatment designed to slow chlorine loss and keep pool sanitizer effective by maintaining stabilizer levels between 40 and 100 ppm. Proper cyanuric acid (CYA) levels help protect free chlorine from rapid degradation...- £139.15
- £139.15
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The Natural Hot Tub Company enzyme spa conditioner 16oz — clarifies water, softens skin, stabilizes pH for up to 3 months
The Natural Hot Tub Company Water Treatment & Conditioner (16oz) is a concentrated enzyme-based spa clarifier that softens skin, helps stabilize pH, and maintains clear water for up to three months when used as directed. Designed for busy spa owners who want fewer weekly...- £77.02
- £77.02
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Pool Mate Calcium Hardness Increaser Granular – 25 lb | Fast-Dissolving, Stabilizes Pool Water
Pool Mate 25-Pounds Premium Calcium Hardness Increaser is a granular calcium chloride treatment designed to raise and stabilize the calcium hardness of pool water to recommended levels. Maintaining the right calcium hardness helps protect pool surfaces and equipment from damage caused by water that's...- £131.84
- £131.84
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Pool Mate Sodium Bicarbonate Alkalinity Increaser for Swimming Pools, 25 lb — Fast-Dissolving, Stabilizes pH
Pool Mate 25-Pounds Premium Alkalinity Increaser is a fast-dissolving sodium bicarbonate formula designed to raise and stabilize total alkalinity in swimming pools. Keeping total alkalinity in the correct range is a key step to protect your pool surfaces, equipment and sanitizer performance. This product...- £129.21
- £129.21
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Pool Mate Alkalinity Increaser for Pools 20 lb — Sodium Bicarbonate, Stabilizes pH and Prevents Scale
Pool Mate 20-Pounds Premium Alkalinity Increaser is a sodium bicarbonate formula that raises and stabilizes total alkalinity to reduce pH swings in swimming pools. Keeping pool water balanced prevents damage and helps sanitizers perform consistently. This 20-pound container of Pool Mate alkalinity increaser dissolves...- £128.25
- £128.25
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Pool Mate pH Up for Swimming Pools 20 lb Jug — Sodium Carbonate Formula, Fast pH Raise
Pool Mate 20-Pounds Premium pH Up is a sodium carbonate formula designed to raise and stabilize pool pH quickly and safely when used per instructions. Keeping pool water balanced is essential for comfort, equipment longevity, and clear water. Pool Mate pH Up is a...- £123.85
- £123.85
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Robelle Pool Calcium Up granular calcium chloride 25 lb — fast-dissolving hardness increaser, USA-made for stable pool chemistry
Robelle 25-Pounds Premium Pool Calcium Up is a granular calcium chloride treatment designed to raise and stabilize total hardness in swimming pools to recommended levels. Keeping pool calcium hardness within the correct range protects finishes, prevents corrosion and keeps water chemistry balanced. Robelle Premium...- £135.63
- £135.63
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SpaChoice Pool Calcium Chloride Granular 25 lb — Fast-Dissolving Calcium Increaser for Pools
SpaChoice 25-Pounds Premium Increase Calcium is a granular calcium chloride used to raise and stabilize pool water calcium hardness to recommended levels. Keeping calcium hardness in the correct range helps preserve pool finishes and equipment. This concentrated granular formula dissolves in water and is...- £159.01
- £159.01
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Pool Mate Cyanuric Acid Pool Stabilizer 4 lb — Granulated Conditioner, Fast-Dissolving for Outdoor Pools
Pool Mate 4-Pounds Premium Pool Stabilizer and Conditioner is a cyanuric acid treatment that helps protect and extend the life of free chlorine in outdoor pools. Keep outdoor pools more resistant to sun-driven chlorine loss by using Pool Mate cyanuric acid. This granulated stabilizer...- £64.95
- £64.95
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Pool Mate pool stabilizer cyanuric acid 4 lb — fast-dissolve conditioner that protects chlorine
Pool Mate 4-Pounds Premium Pool Stabilizer and Conditioner is a cyanuric acid treatment that protects and extends the life of chlorine in outdoor pools. This concentrated cyanuric acid formula dissolves to establish chlorine protection quickly and helps maintain a stable sanitizer level in sun-exposed...- £64.95
- £64.95
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Robelle Pool Chlorine Stabilizer 7 lb — Cyanuric Acid Conditioner, Fast-Dissolving (Made in USA)
Robelle 7-Pounds Premium Chlorine Stabilizer and Conditioner is a concentrated cyanuric acid formula designed to slow chlorine breakdown from sunlight and maintain a protective stabilizer level in outdoor pools. Keeping pool chlorine effective under bright sun starts with the right stabilizer. Robelle's cyanuric acid...- £72.86
- £72.86
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SpaChoice pH Decreaser for Hot Tub 1.5 lb — Lowers High pH, USA-Made, Chlorine/Bromine Compatible
SpaChoice 1.5-Pounds Premium pH Decreaser quickly lowers high spa water pH to help restore balanced hot tub water chemistry. High pH in spa water causes cloudy water, scale buildup and less effective sanitizers. SpaChoice Premium pH Decreaser is a concentrated product formulated to reduce...- £46.06
- £46.06
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SpaGuard pH Increaser for Spas & Hot Tubs, 18 oz Pack of 3 — Fast-Dissolving Granules, Equipment Protection
SpaGuard pH Increaser is a fast-dissolving granular treatment that raises low spa and hot tub pH to protect equipment and make water more comfortable for bathers. Low pH in spas and hot tubs accelerates metal corrosion, shortens filter and heater life, and can create...- £65.37
- £65.37
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Swimables Cyanuric Acid Pool Stabilizer 8 lb — Fast-Dissolving Granules, Max Strength UV Protection
Swimables 8-Pounds Max Strength Cyanuric Acid is a fast-dissolving pool stabilizer that preserves chlorine so your pool or hot tub stays clearer longer. Maintaining effective chlorine levels can feel like a constant battle when sunlight constantly breaks down sanitizer. This Swimables pool stabilizer (cyanuric...- £72.92
- £72.92
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SpaChoice pH Decreaser for Hot Tub 2 x 2.5 lb Pack — USA-Made, Fast-Acting pH Lowering Powder
SpaChoice pH Decreaser is a concentrated, USA-made powder that safely lowers high spa pH to help keep hot tub water balanced and comfortable. Keeping hot tub water within the right pH and alkalinity ranges prevents scale, cloudy water, and irritation. This two-pack provides two...- £70.65
- £70.65
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LEISURE TIME Spa Down granular pH reducer for hot tubs, 2.5 lb x 2 pack — fast-acting, sanitizer-safe
LEISURE TIME Spa Down is a granular treatment that lowers pH and total alkalinity in hot tubs, helping restore balanced water so sanitizers work more effectively. Busy spa owners rely on quick, predictable water treatments — Spa Down is formulated as a granular acidifier...- £71.77
- £71.77
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