Hot Tub Things® pH & Alkalinity Up – Premium Water Balance Solution
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Key Features & Benefits
Total Alkalinity Water Care
A water-balancing product with a manufacturer-documented total alkalinity adjustment purpose.
Choose Your Size
Engineered for seamless compatibility with original mounting points for secure placement.Select the 1 lb or 2 lb container to suit your purchasing needs.
A Focused Balancing Treatment
Shop an alkalinity-focused product rather than confusing it with sanitizer or oxidizing shock.
Test-Based Water Maintenance
Make treatment decisions using actual water readings and the product's directions.
Shop Your Spa-Care Essentials
Find related water-testing and maintenance supplies through Hot Tub Things.
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Product Overview
Hot Tub Things® pH & Alkalinity Up is a spa water-balancing treatment intended to help raise total alkalinity as part of routine hot tub maintenance. Its documented sodium bicarbonate formulation supports the water's ability to resist changes in pH.
Available in 1 lb and 2 lb containers, it provides practical package options for your spa-care supplies.
Because pH and total alkalinity are different measurements, test both before deciding whether treatment is appropriate. This product is intended primarily for total alkalinity adjustment rather than a guaranteed numerical pH increase.
Follow the current container label for dosage, application, retesting, handling and safe spa re-entry.
Frequently Asked Questions
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It is a sodium bicarbonate-based water balancer intended primarily to raise total alkalinity in your spa.
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Sodium bicarbonate is used to raise total alkalinity, helping water resist changes in pH. Follow your product label and use actual water-test results when deciding on treatment.
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pH measures acidity or basicity. Total alkalinity measures the water's ability to resist pH changes. Both are relevant to water balance.
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Use your spa's water-test results and the current product label to determine whether a total alkalinity adjustment is appropriate.
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Follow the dosage on your product container, using your spa's water volume and current water-test results.
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Yes. Follow the product label and your spa's water-care guidance to determine when to retest pH and total alkalinity.
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Hot Tub Things pH & Alkalinity Up comes in 1 lb (SKU 30376) and 2 lb (SKU 30210) containers.
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Check your sanitizer-system instructions and the product label before use. Do not assume every water-balancing treatment is suitable for every system.
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Avoid eye contact and unnecessary dust exposure. Wash your hands after handling, keep the container tightly closed and away from moisture, and never mix the concentrated product with acids.
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Follow the current container label for circulation, retesting and safe spa re-entry.

