The Best Spaguard Calcium Hardness Increaser of 2023 – Reviewed and Top Rated

After hours researching and comparing all models on the market, we find out the Best Spaguard Calcium Hardness Increaser of 2023. Check our ranking below.

2,464 Reviews Scanned

Rank No. #1

SpaGuard Spa Calcium Hardness Increaser (12 oz) (3 Pack)

Rank No. #2

SpaGuard Spa Calcium Hardness Increaser (12 oz) (12)

Prevents corrosion of equipment
Prevents degradation of spa surfaces
1 tbsp. per 100 gallons increases calcium hardness ~25 ppm

Rank No. #3

PureSpa SpaPure Calcium Hardness Increaser 16oz (4 Pack)

Safely raise the calcium hardness levels in your spa water
Stop and prevent the corrosion of your spa's surfaces
Compatible with all systems including bromine, chlorine, mineral sanitizers, and biguanide
4 Pack

Rank No. #4

SpaGuard Balancer Bundle (pH Decreaser, pH Increaser, Alkalinity Increaser, Calcium Increaser) (1)

SpaGuard Balancer Bundle
Includes: SpaGuard Alkalinity 2#, ph Decreaser 22oz, pH Increaser 18oz and Calcium Hardness Increaser 12oz

SaleRank No. #5

CLOROX Pool&Spa Calcium Hardness Increaser, Prevents Corrosion, Etching and Staining, 4LB

Increases low Total Hardness levels in swimming pool water
Prevents corrosion, etching, and staining
Prevents pool surface damage
Ideal for plaster pools and soft water areas
For best results, use with the Clorox Pool app

Rank No. #6

SpaGuard Spa Total Alkalinity - 2 Lb

1 tbs. per 100 gallons raises total alkalinity 25ppm
Eliminates "pH bounce"
Helps prevent equipment and spa surface corrosion and damage

SaleRank No. #7

Robelle 2804B Calcium Increaser Pool Balancer, 4-Pounds, White

Increases Water Hardness
Low calcium hardness level can cause corrosive water
Prevents the staining or etching of your pool's surface
Ideal Calcium Hardness range 200 - 400ppm

SaleRank No. #8

Spa Essentials 32534000 Calcium Hardness Increaser Granules for Spas and Hot Tubs, 12-Ounce

Increases Calcium Hardness Level In Spa Water
Helps Prevent Corrosion Of Spa Equipment And Surfaces
Easy To Use
No Assembly Required

Rank No. #9

SpaGuard® Hot Tub Chemicals Balancer Kit (pH Up/Down, Calcium, Alkalinity) Spa Accessories for Hot Tub Owners, Inflatable Spa Hot Tub Chemical Kit with LeisureQuip ScumBoat & LQP Logbook

Contains:SpaGuard Alkalinity Increaser 2lb, SpaGuard Calcium Increaser 1lb, SpaGuard pH Increaser 1lb, SpaGuard pH Decreaser 1.5lb, LeisureQuip ScumBoat floating scum Absorber, and LeisureQuip Pool & Spa Care Logbook -Bundle offered by LeisureQuip.
This spa care bundle includes the chemicals needed to balance the water in your hot tub or pool. Use test strips or a test kit to see what your current water pH, alkalinity, and calcium levels are. Use the chemicals in this kit to raise/lower the levels to ensure proper balance in your pool or spa.
This spa & pool balancer kit includes the chemicals needed to bring the water to the correct pH, alkalinity, and calcium levels as well as a scum absorber to help keep oils from building up on the waterline.
Spa balancer chemical kit to protect equipment from damage while balancing water for bather comfort
SpaGuard Alkalinity Increaser raises the total alkalinity of your pool or hot tub to protect your equipment from corrosion and minimize pH bounce. Low total alkalinity can cause corrosion to your equipment which can lead to staining and repair bills. Properly balanced total alkalinity also reduces pH bounce.

SaleRank No. #10

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

BENEFITS: Raises water hardness to maintain a level of hardness between 150-400 ppm
USE: One ounce increases hardness 7 ppm in 500 gallons of water
COMPATIBILITY: Compatible with chlorine, bromine, ozone, and biguanide sanitizers
FEATURES: Prevents corrosion and foam; Part of Leisure Time's Simple Spa Care program
INCLUDES: One 32-oz bottle of Leisure Time Calcium Booster

Rank No. #11

SpaGuard pH Increaser 1.12lb

Protects corrosion of equipment due to low pH
Balances water for bather comfort
Protects your spa or hot tub from corrosion due to low pH
SpaGuard pH Increaser is a dry, granular product that gradually raises your pH level

Rank No. #12

SpaGuard® Spa Balancer Kit - SpaGuard® Alkalinity Increaser, SpaGuard® Calcium Increaser, SpaGuard® pH Increaser, SpaGuard® pH Decreaser, Test Strips, LeisureQuip ScumBoat & LQP Hot Tub Logbook

Contains: SpaGuard Alkalinity Increaser 2lb, SpaGuard Calcium Increaser 1lb, SpaGuard pH Increaser 1lb, SpaGuard pH Decreaser 1.5lb, BioGuard Test Strips, LeisureQuip ScumBoat Floating Scum Absorber, and LeisureQuip Pool & Spa Care Log Book - Bundle offered by LeisureQuip.
This spa care bundle includes the chemicals needed to balance the water in your hot tub or pool. Use test strips or a test kit to see what your current water pH, alkalinity, and calcium levels are. Use the chemicals in this kit to raise/lower the levels to ensure proper balance in your pool or spa.
This spa & pool balancer kit includes the chemicals needed to bring the water to the correct pH, alkalinity, and calcium levels as well as a scum absorber to help keep oils from building up on the waterline.
Spa balancer chemical kit to protect equipment from damage while balancing water for bather comfort
SpaGuard Alkalinity Increaser raises the total alkalinity of your pool or hot tub to protect your equipment from corrosion and minimize pH bounce. Low total alkalinity can cause corrosion to your equipment which can lead to staining and repair bills. Properly balanced total alkalinity also reduces pH bounce.

Rank No. #13

AquaDoc | Spa Calcium Hardness Increaser Hot Tub Owners Rely on, Calcium Increaser Spa Hardness Increaser & Calcium Booster for Hot Tubs, Spa Calcium Increaser & Hot Tub Water Hardener Spa Chemicals

Make balancing your water easier & more cost effective with AquaDoc's calcium hardness increaser. Our spa calcium hardness increaser is vital to ensuring proper water hardness levels in your hot tub. AquaDoc's Calcium Booster gets your hardness up.
Avoid corrosion, etching, and staining - AquaDoc's Professional Grade Hot Tub Calcium increaser is your best defense against soft water in your hot tub or spa. Guard calcium levels from decreasing too low with our spa Calcium booster for hot tubs.
How it works - AquaDoc's Hot Tub Calcium hardness Increaser works to raise your water's hardness level to ensure properly balanced hot tub water. Our spa hardness increaser easily works to raise your Calcium levels by 10ppm increments or more.
The Hardness Increaser Hot Tub Owners Love - When it comes to Spa Chemicals calcium hardness increaser is a must have. Without hot tub chemicals calcium hardness can become unbalanced. Always have a hot tub calcium booster ready and waiting.
Easy to Use, Made in the USA - (1) Check your calcium levels, (2) 1 ounce of AquaDoc's Calcium increaser will boost water's hardness level by 10ppm. (3) After determining hardness level goal, add proper amount of increaser while equipment is on. (4) Run filter for 1 - 2 hours, wait 20 minutes, then retest water.

SaleRank No. #14

Pool Mate 1-2825 Calcium Increaser for Swimming Pools, 25-Pound

Increases Water Hardness
Low calcium hardness level can cause corrosive water
Prevents the staining or etching of your pool's surface
Ideal Calcium Hardness range 200 - 400ppm

Rank No. #15

SpaGuard Spa Stain/Scale Control - Pint

Prevents scale formation and cloudy water due to high calcium levels
Removes some scale buildup on spa surface
Removes relatively fresh metal stains from spa surfaces

SaleRank No. #16

Spa Choice 472-3-3061 Increase Calcium Spa Chemical, 1-Quart

Spa Choice Increase Calcium is used to increase calcium hardness in spas and hot tubs in areas with low levels of hardness
Low hardness will etch plaster and corrode spa equipment
The ideal hardness level is 200-400 ppm (parts per million)
Downloadable User Guide Available Under Product Information: Technical Specifications

Rank No. #17

SpaGuard Spa Sentry (1 qt)

SpaGuard Spa Sentry pH Balance for Spas and Hot Tubs
SpaGuard's Spa Sentry gives spa owners a one-step liquid additive to avoid pH bounce for up to 1 month per application, simply by adding directly to water.
Before using this product you must first drain and refill your spa and set the desired level of both pH and alkalinity before applying
Spa Sentry also contains a clarifying agent that removes dissolved metals in your water, giving your spa clearer and softer water that will be instantly noticed by bathers
1 Quart Bottle

SaleRank No. #18

Hard UP Calcium Hardness Increaser 10lb Bag

Rapidly raises calcium hardness in pools and spas
Also used as Ice Melt

SaleRank No. #19

In The Swim Pool Calcium Hardness Increaser - 25 Pound Bucket

Average 97% Calcium Chloride
Increases calcium hardness level
Dosage 6 lbs per 10,000 gallons to raise calcium hardness level about 50 ppm
Prevents aggressive or corrosive water
DO NOT PRE MIX

SaleRank No. #20

SpaChoice 472-3-3061-02-K Calcium Hardness Increaser Hot Tub, 1-Quart, 2-Pack

Packaging may vary
The ideal hardness level is 200-400 ppm
1 ounce of product per 500 gallons increases hardness by about 10 ppm
Customers prefer this liquid product as it can be easier to use than granular alternatives

Last update on 2023-07-30 / Affiliate links / Product Titles, Images, Descriptions from Amazon Product Advertising API

How Do You Buy The Best Spaguard Calcium Hardness Increaser?

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Potential sources can include buying guides for Spaguard Calcium Hardness Increaser, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible Spaguard Calcium Hardness Increaser. Make sure that you are only using trustworthy and credible websites and sources.

We provide an Spaguard Calcium Hardness Increaser buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information. How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available Spaguard Calcium Hardness Increaser currently available on the market.

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Brand Value: Every brand of Spaguard Calcium Hardness Increaser has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
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Specifications: How powerful they are can be measured.
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Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their Spaguard Calcium Hardness Increaser.
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The Best Spaguard Calcium Hardness Increaser of 2023 – Reviewed and Top Rated

How Do You Buy The Best Spaguard Calcium Hardness Increaser?

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