GLB Alkalinity Up 5lb – Pool Water Balancer
Stabilize Your Pool’s Water Balance the Easy Way
Keeping pool water balanced isn’t just about chlorine and pH—total alkalinity is the foundation of water stability. Without proper alkalinity, pH can swing wildly, chlorine won’t sanitize effectively, and swimmers may experience skin or eye irritation. The result? Higher chemical costs, cloudy water, and costly equipment repairs.
That’s where GLB Alkalinity Up 5lb comes in. This proven formula raises total alkalinity safely and quickly, protecting your pool water, equipment, and surfaces. Designed for easy application, Alkalinity Up makes water care simple for pool owners of every experience level.
Why Total Alkalinity Is Critical
Think of total alkalinity as the stabilizer for your pool’s pH. If alkalinity is too low:
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pH bounces up and down with even small chemical changes
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Chlorine loses efficiency, forcing you to add more sanitizer
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Corrosion can eat away at ladders, heaters, and pumps
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Swimmers experience burning eyes and irritated skin
If alkalinity is too high, pH becomes difficult to adjust, scale can form on pool surfaces, and water turns cloudy. The ideal range is 80–120 ppm, and GLB Alkalinity Up helps you hit that target with ease.
Benefits of GLB Alkalinity Up
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Raises Total Alkalinity Fast – Brings water into the proper range quickly.
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Stabilizes pH Balance – Prevents costly and frustrating pH fluctuations.
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Improves Chlorine Effectiveness – Reduces chemical waste and saves money.
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Protects Equipment & Surfaces – Prevents corrosion and scaling.
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Enhances Swimmer Comfort – Reduces red eyes, itchy skin, and irritation.
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Easy Application – Broadcast directly into the pool—no complicated mixing.
How GLB Alkalinity Up Works
GLB Alkalinity Up is made from high-quality sodium bicarbonate, a safe, effective compound that raises total alkalinity. Once dissolved, it acts as a buffer for pool water, reducing sudden pH changes and keeping sanitizer performance consistent.
Unlike some products, it works predictably, reducing the risk of “overshooting” levels and creating stable water chemistry that’s easier to maintain.
When to Use GLB Alkalinity Up 5lb
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At Pool Opening – New or freshly filled pools often need balancing.
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After Heavy Rains – Rainwater dilutes pool chemistry and lowers alkalinity.
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During Swimmer-Heavy Periods – Oils, sweat, and bather waste throw off balance.
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When pH Swings Constantly – If you’re adjusting pH daily, alkalinity is usually too low.
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As Part of Weekly Maintenance – Regular testing and adjustments keep water clear.
Application & Directions
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Test Alkalinity – Use a test strip or liquid test kit. Ideal range: 80–120 ppm.
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Measure the Dose – Refer to GLB’s dosage chart (typically 1.5 lbs per 10,000 gallons to raise alkalinity by 10 ppm).
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Broadcast Evenly – Sprinkle Alkalinity Up directly into the deep end with the pump running.
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Circulate Water – Run the pump for 2–4 hours to fully distribute.
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Retest & Repeat – Recheck levels after 24 hours and adjust if needed.
⚠️ Pro Tip: Do not add at the same time as pH adjusters. Space treatments a few hours apart.
Long-Term Savings and Protection
By keeping alkalinity in the proper range, you’ll save time and money on pool care:
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Less chlorine wasted due to unstable pH
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Fewer purchases of pH up/down products
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Reduced risk of corrosion damage to expensive pool equipment
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Less cloudiness and fewer scale buildup problems
A small weekly investment in GLB Alkalinity Up protects your pool and budget year-round.
Key Features
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5lb container of GLB Alkalinity Up (71276)
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Raises total alkalinity safely and effectively
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Made from professional-grade sodium bicarbonate
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Protects chlorine efficiency and pH stability
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Prevents corrosion, scaling, and cloudiness
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Perfect size for residential pools or spa maintenance
Why Choose GLB Alkalinity Up from Benchmark Pool Supply?
At Benchmark Pool Supply, we know balanced water is the key to easier, more enjoyable pool ownership. That’s why we stock trusted products like GLB Alkalinity Up, designed to help pool owners maintain stable chemistry without the guesswork.
When you order from us, you get more than just a chemical—you get expert support, fast shipping, and the confidence of working with a pool supply specialist that cares about your success.
FAQs About GLB Alkalinity Up
Q: What’s the difference between the 5lb and 10lb sizes?
A: Both contain the same formula. The 5lb size is ideal for smaller pools, spas, or routine adjustments, while the 10lb size is better for larger pools or frequent dosing.
Q: Will this raise pH too?
A: It may slightly increase pH, but its primary role is stabilizing alkalinity and preventing swings.
Q: How do I know if I need it?
A: If your test shows alkalinity below 80 ppm or your pH fluctuates constantly, you need to raise alkalinity.
Q: Is it safe for vinyl, plaster, or fiberglass pools?
A: Yes. GLB Alkalinity Up is safe for all pool finishes and surfaces.
Q: Can I use this in a saltwater pool?
A: Absolutely. It works with saltwater, chlorine, and bromine pools.
