Top 5 Alkaline Increaser for Hot Tubs – Kitchen & Dining Features

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1. Spa Essentials


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

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

2. PureSpa


SpaPure Alkalinity Increaser 16oz

PureSpa #ad - Increase total alkalinity levels. Acts as a water buffer or "pH buffer" to prevent "pH bounce". Stabilizes pH.
BrandPureSpa #ad
ManufacturerHaviland #ad
Part NumberSPA2693CS20B6

3. SpaChoice


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

SpaChoice #ad - Maintaining a desirable total alkalinity reading is critical to holding chlorine residuals. Ph levels are easier to control with a corrected total alkalinity. 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.
BrandSpaChoice #ad
ManufacturerRobelle Industries #ad
Height10 Inches
Length3 Inches
Width3 Inches
Part Number472-3-4021

4. Clorox


Clorox Pool&Spa 12005CLX Alkalinity Increaser, 5 lb

Clorox #ad - Power source Type: Manual. Protects against eye and skin irritation. Reduces pool maintenance. Keeps pool pH balanced. Protects equipment. Increases total alkalinity in pool water.
BrandClorox #ad
ManufacturerClorox® Pool&Spa™ #ad
Height10.5 Inches
Length4.4 Inches
Width9 Inches
Part Number12005CLX



Leisure Time ALK-02 Alkalinity Increaser for Spas and Hot Tubs 2 Pack, 2 lb

LEISURE TIME #ad - Alkalinity is critical to pH control. Allow water to circulate for 30 minutes. Low alkalinity levels can cause equipment corrosion.
ManufacturerLeisure Time #ad
Height6 Inches
Length6 Inches
Weight4 Pounds
Width10 Inches
Part NumberALK-02