Description
SpaGuard Total Alkalinity Increaser - 2 lb
Stabilize pH and Prevent pH Bounce in Spa Water
SpaGuard Total Alkalinity Increaser is a granular spa and hot tub water balancer designed to raise low total alkalinity. Proper total alkalinity helps buffer spa water against sudden pH changes, often called “pH bounce,” making water easier to balance, more comfortable to enjoy, and less stressful on spa surfaces and equipment.
This 2 lb bottle is ideal for routine hot tub maintenance, fresh fills, and water corrections when test results show low alkalinity. Low total alkalinity can make spa water corrosive, which may contribute to staining, etching, surface damage, equipment corrosion, and reduced sanitizer performance. SpaGuard Total Alkalinity Increaser helps restore the alkalinity level so pH stays more stable and your sanitizer can work more effectively.
Use SpaGuard Total Alkalinity Increaser before adjusting pH. Once total alkalinity is in the proper range, pH becomes easier to manage and your spa water care routine becomes more predictable.
Key Benefits
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Raises total alkalinity: Helps correct low alkalinity in spa and hot tub water.
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Prevents pH bounce: Helps stabilize pH by buffering water against rapid changes.
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Protects spa equipment: Proper alkalinity helps reduce corrosion and scale risks.
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Supports bather comfort: Balanced water can help reduce irritation from unstable water chemistry.
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Helps sanitizer performance: Properly balanced water supports more effective sanitizer operation.
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Granular water balancer: Easy to dose directly into spa water with the pump running.
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2 lb bottle: Convenient size for routine spa and hot tub balancing.
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Suitable for spas and hot tubs: Designed specifically for spa water maintenance.
Product Details
Compatibility and Requirements
SpaGuard Total Alkalinity Increaser is intended for spas and hot tubs where total alkalinity is too low. Always test water with an accurate test strip or kit before dosing. Use the test result to determine how much product is needed, then add the required amount directly to spa water with the pump running on high speed.
Total alkalinity should be balanced before adjusting pH. Once alkalinity is corrected, retest the water, adjust pH if needed, and maintain the proper sanitizer level according to your spa care system.
This product is not a sanitizer, shock, pH increaser, pH decreaser, calcium hardness increaser, or filter cleaner. Continue maintaining sanitizer, pH, calcium hardness, filtration, and regular water care as part of your normal spa maintenance routine.
How to Use SpaGuard Total Alkalinity Increaser
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Test spa or hot tub water with an accurate test strip or test kit.
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Determine the current total alkalinity level.
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Use the dosage guidance to calculate the required amount.
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With the pump running on high speed, pour the product directly into spa water.
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Continue circulating for 30 minutes.
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Retest total alkalinity.
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Repeat only if additional adjustment is needed.
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Adjust pH after total alkalinity is in range.
Frequently Asked Questions
What does SpaGuard Total Alkalinity Increaser do?
SpaGuard Total Alkalinity Increaser raises total alkalinity in spa and hot tub water. Proper alkalinity helps stabilize pH and reduce pH bounce.
What is pH bounce?
pH bounce refers to rapid or unpredictable pH changes. Low total alkalinity can make pH difficult to control, while proper alkalinity helps buffer the water.
How much should I use?
Retail directions list 1 tablespoon per 100 gallons of water to raise total alkalinity by about 25 ppm. Always test first and follow the label for your spa size.
What total alkalinity range should I target?
Several spa product sources list 125 to 150 ppm as the target range for SpaGuard Total Alkalinity Increaser. Always follow your test kit, spa manufacturer guidance, and product label.
Should I adjust alkalinity or pH first?
Adjust total alkalinity first. Once alkalinity is balanced, pH is easier to adjust and maintain.
Can low alkalinity damage a hot tub?
Low total alkalinity can make water corrosive, which may contribute to staining, etching, surface distortion, and equipment corrosion.
Is this product a sanitizer?
No. SpaGuard Total Alkalinity Increaser is a water balancer, not a sanitizer. Continue using chlorine, bromine, or your chosen sanitizer system separately.