Alkalinity Increaser 1kg (Alkalinity Builder) is designed to raise and stabilise total alkalinity levels in hot tubs, swimming pools, spas, and swim spas. Correct alkalinity helps stabilise pH, reduces pH fluctuation, and improves the effectiveness of disinfectants.
Suitable for use with chlorine, bromine, and oxygen water treatment systems.
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✅ Key Benefits
•Raises low total alkalinity
•Stabilises pH levels
•Reduces frequent pH corrections
•Improves sanitizer efficiency
•Helps prevent corrosion and scale
•Essential for balanced, comfortable water
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Product Information
•Form: Granules / Powder
•Pack Size: 1kg
•Function: Alkalinity increaser & pH stabiliser
•Compatibility: Chlorine, bromine & oxygen systems
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Why Alkalinity Is Important
Low alkalinity can cause:
•Rapid pH swings
•Corrosion of metal parts
•Irritation to skin and eyes
•Reduced effectiveness of sanitising chemicals
Recommended Total Alkalinity Range:
80 – 120 ppm
Ideal pH Range:
7.2 – 7.6
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Dosage Guide
🏊 Swimming Pools
•450g per 10,000 gallons of pool water
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🛁 Hot Tubs / Spas
•11g per 1,000 litres of spa water
💡 Always dose gradually and re-test after 24 hours.
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How to Use
1.Dissolve the required amount of Alkalinity Increaser in a plastic bucket with warm water
2.Stir until fully dissolved
3.Pour evenly around the pool or hot tub while filtration is running
4.Leave for 24 hours
5.Re-test water to ensure pH is 7.2 – 7.6 and alkalinity is within range
❌ Never add directly to the water without dissolving
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Important Safety Information
•Do not mix with other chemicals
•Always add chemicals separately
•Store in a cool, dry place
•Use biocides safely
•Always read product instructions before use
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Suitable For
✔ Hot tubs
✔ Swimming pools
✔ Spas & swim spas
✔ Chlorine, bromine & oxygen systems
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📦 Package Size:
1kg Alkalinity Increaser
🌐 www.hottubireland.ie
Alkalinity Increaser 1kg – Hot Tub & Swimming Pool
Product Description
serves to stabilize the pH of alkalinity is used to stabilize the pH and the consumption reduction of pH controlling . It increases the effectiveness of chlorine. It is also used chlorine-free treatments.
Due to such use . Hot water and disinfectants can be no reduction in the alkalinity of the water and then the pH fluctuations . Recommended alkalinity of the pool water is 80 to 175 g / m3 CaCO3 .
Represents a set of basic substances dissolved in water, to prevent abrupt changes , the optimum pH value of the total alkalinity is in the range between 80 and 120 mg / l , has an impact on the effectiveness of disinfection , the pH value adjustment , precipitation in the different components of the water and the corrosion metal components .
If the total alkalinity ( CA ) is too high, the well is usually too high pH and, moreover, show high stability - is called . High buffering capability. If the CA is too low, the pH is stable at a very large and the fluctuation .
Reviews
Using the alkalinity / PH up product is part of my weekly tub regimen! it should be part of yours too!
Quick and fast delivery, would recommend to a friend.