Top 8 Alkalinity Up Hot Tub – Swimming Pool Balancers

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1. SpaChoice

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Spa Choice 472-3-4021 Alkalinity Up Hot Tub Chemical for Spas, 2-Pound

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SpaChoice #ad - Alkalinity acts as a buffer, improving the ability of your pool water to resist pH fluctuations. Downloadable user guide Available Under Product Information: Technical Specifications. Maintaining a desirable total alkalinity reading is critical to holding chlorine residuals. Ph levels are easier to control with a corrected total alkalinity.
BrandSpaChoice #ad
ManufacturerRobelle Industries #ad
Height10 Inches
Length3 Inches
Weight2.2 Pounds
Width3 Inches
Part Number472-3-4021
Model472-3-4021

2. Spa Essentials

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2-Pound, Spa Essentials 32538000 Total Alkalinity Increaser Granules for Spas and Hot Tubs

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Spa Essentials #ad - Helps prevent staining, corrosion and pH bounce. Properly balanced spa water is a must if you want to fully enjoy your spa. Raises alkalinity level to protect spa water from sudden changes in pH.
BrandSpa Essentials #ad
ManufacturerRobelle Industries #ad
Height10 Inches
Length3 Inches
Weight2 Pounds
Width3 Inches
Part Number32538000
Model32538000
WarrantyReturns are not accepted on opened or used items and are subject to a 20% restocking fee.

3. Hot Tub Things

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Hot Tub Things pH and Alkalinity Up 2 Pounds, Protects Your Spa from Corrosion

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Hot Tub Things #ad - Formulated exclusively for Hot Tubs And Made from the Purest Chemicals Available. Keep hot tub water in check -- this product increases pH and Alkalinity to obtain the proper balance! America's #1 trusted Brand of Hot Tub Chemicals. Safety tested to Assure Quality, Guaranteed Performance. Compare to Leisure Time Alkalinity Increaser.
BrandHot Tub Things #ad
ManufacturerHot Tub Things #ad
Height9 Inches
Length3 Inches
Weight2.1 Pounds
Width3 Inches
Part Number850511004246

4. Hot Tub Things

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Keep Your Spa Water Properly Balanced, Hot Tub Things pH and Alkalinity Down 1.25 Pounds

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Hot Tub Things #ad - Keep hot tub water in check. Safety tested to Assure Quality, Guaranteed Performance. This product lowers ph and alkalinity to obtain the proper balance! America's #1 trusted Brand of Hot Tub Chemicals. Compare to Leisure Time Spa Down. Formulated exclusively for Hot Tubs And Made from the Purest Chemicals Available.
BrandHot Tub Things #ad
ManufacturerHot Tub Things #ad
Height7.5 Inches
Length2.5 Inches
Weight1.31 Pounds
Width2.5 Inches
Part Number850511004215

5. SpaChoice

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Spa Choice 472-3-4011 Spa Chemical to Increase pH Level, 1-Quart

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SpaChoice #ad - Raises the pH level in your spa or hot tub. Downloadable user guide Available Under Product Information: Technical Specifications. Spa choice increase pH is compatible with all sanitizers including bromine, chlorine and biguanide. The water in your spa should be maintained at a pH of 7. 2-7. 8 ppm parts per million.
BrandSpaChoice #ad
ManufacturerRobelle Industries #ad
Height10 Inches
Length3 Inches
Weight3 Pounds
Width3 Inches
Part Number472-3-4011
Model472-3-4011

6. PureSpa

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PureSpa SpaPure Alkalinity Increaser 1 lb 3 Pack

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PureSpa #ad - 3 pack. Acts as a water buffer or "pH buffer" to prevent "pH bounce". Increase total alkalinity levels. Stabilizes pH.
BrandPureSpa #ad
ManufacturerHaviland #ad

7. LEISURE TIME

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32 fl oz, Leisure Time CB Calcium Booster Balancer for Spas and Hot Tubs

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LEISURE TIME #ad - Includes: one 32-oz bottle of Leisure Time Calcium Booster. Compatibility: Compatible with chlorine, bromine, ozone, and biguanide sanitizers. Use: one ounce increases hardness 7 ppm in 500 gallons of water. Prevents corrosion. Features: prevents corrosion and foam; Part of Leisure Time's Simple Spa Care program. One ounce increases hardness 7 ppm in 500 gallons of water. Benefits: raises water hardness to maintain a level of hardness between 150-400 ppm. Compatible with chlorine, bromine, ozone and biguanide sanitizers.
BrandLEISURE TIME #ad
ManufacturerLeisure Time #ad
Height9.5 Inches
Length3.12 Inches
Weight2.58 Pounds
Width3.12 Inches
Part NumberCB
ModelCB

8. Hot Tub Things

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Hot Tub Things Starter Kit with Frog @Ease System

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Hot Tub Things #ad - Safe | spa frog minerals boost the power of SmartChlor chlorine to kill germs and sanitize the water. Complete | ideal for first-time hot tub users, this kit includes both sanitizing and water maintenance chemicals, plus a full set of waterproof instructions and a troubleshooting guide.

Trusted | thousands of customers have used our Starter Kits as their introduction to the Hot Tub Things brand of consistent and pure water treatment chemicals. Simple | the floating spa frog flips over in the water when the chlorine cartridge is running low, so you have a clear visual indicator. Low maintenance | chlorine dispenses slowly and automatically over weeks, so you will spend less time testing water and adding chemicals.
BrandHot Tub Things #ad
ManufacturerHot Tub Things #ad
Height9 Inches
Length9 Inches
Width9 Inches