Top 10 Best hot tub hardness decreaser Reviews
Top 10 Rated hot tub hardness decreaser in 2021 Comparison Table
SaleBestseller No. 1
SpaGuard Spa Calcium Hardness Increaser - 12 Ounce
- 1 tbs. per 100 gallons raises calcium hardness 25ppm
- Prevents corrosion of equipment due to low calcium hardness
- Prevents etching of plaster due to low calcium hardness
Bestseller No. 2
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.
SaleBestseller No. 3
Clorox Pool&Spa 12204CLX Calcium Hardness Increaser, 4 lb, White
- 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
SaleBestseller No. 4
BAQUA Spa 88825 Calcium Hardness Increaser Spa and Hot Tub Balancer, 14 oz
- BENEFITS: Raises spa water to the recommended level of calcium hardness
- USE: Part of BAQUA Spa's bromine-free and chlorine-free maintenance product line
- COMPATIBILITY: Works with all biguanide sanitizer systems
- FEATURES: Bromine and chlorine free
- INCLUDES: One 14-oz container of BAQUA Spa Calcium Hardness Increaser
Bestseller No. 5
Bestseller No. 6
MAV AquaDoc Spa Stain and Scale Control for Hot Tubs, Scale Metal and Stain Control for Hot Tubs, Prevent & Remove Stains in Hot Tubs with Our Hot Tub Water Softener & Spa Descaler Chemical 32oz
- Spa Stain And Scale Control For Hot Tubs: Control stain and scale deposits with our Professional Grade Spa scale, metal, and stain control product. Spend your leisure time enjoying your hot tub instead of worrying about chalky build-up on spa equipment and surfaces.
- Compatible With Bromine & Chlorine: Our spa stain and scale preventer is compatible with both Bromine & Chlorine sanitized spas. Our 100% top quality spa descaler works hard to remove metal of all types. Get metal out of your hot tub, spa or pool water to avoid stains. Remove Calcium, Iron, Copper, and any other metal deposits to keep alkalinity down.
- Quick Dissolving Hot Tub Water Softener: Aqua Doc delivers Professional Grade spa defense for hard water prevention. Get clear water with our hot tub hardness decreaser for spa, hot tub, or pool. Using our hard water softener for spas is your best defense against metal and scale buildup in your water.
- Spa Calcium Decreaser: Our hot tub chemicals are your first line of spa defense against calcium. Decrease spa water hardness and reduce stains often created by high spa calcium levels. Reduce alkalinity levels with spa stain & scale.
- Made In The USA: Enjoy your leisure time while Spa chemicals stain and scale that Defends your hot tub against stain, scale and metals with the best spa products that are proudly made in the USA. Prevent stain and scale for hot tubs with our advanced, professional grade formula - leaving your spa, hot tub, or pool with clear, blue water.
Bestseller No. 7
SpaGuard Spa Water Clarifier - 1 Pint
- Makes cloudy water sparkling clear.
- Increases filtration.
Bestseller No. 8
Spa and Hot Tub Chemical Balancer Maintenance Kit - Contains Scum Absorber, SpaGuard Total Alkalinity Increaser, Calcium Increaser, pH Increaser, and pH Decreaser (5 Items)
- CONTAINS: Scum Absorber, SpaGuard Total Alkalinity Increaser 2lb, SpaGuard Calcium Increaser 12oz, SpaGuard pH Increaser 18oz, SpaGuard pH Down 1lb
- EFFECTIVE: Tested and proven SpaGuard products that are reliable and take the hassle out of your spa or hot tub care
- APPROVED: SpaGuard spa water balancers provide the right balance for your spa, hot tub or pool, by preventing surface corrosion and equipment damage while balancing water for bather comfort
- SUPPORT: This kit from the Hot Tub Club includes a custom 9 point water analysis for YOUR water. Upon request, we will send you a sample bottle and a prepaid envelope by which you can mail us a sample.
- FOLLOW UP: A dedicated technician will provide you with personalized instruction and support to make sure you can relax with confidence and peace of mind
Bestseller No. 9
LEISURE TIME Calcium Booster Balancer Spa and Hot Tub Water Hardness and Foam Preventive Care, 32 Fluid Ounce Bottle (2 Pack)
- CALCIUM BOOSTER: Boosts calcium in spa and hot tub water
- EASY-TO-USE: Easy-to-use, 1-ounce increases hardness 7 ppm in 500 gallons of water
- PREVENTS FOAM AND HARD WATER: Aids in preventing foam and corrosion of equipment
- PROPER LEVELS: Proper water hardness level should be between 150-400 ppm
- COMPATIBLE WITH: Compatible with chlorine, bromine, ozone, and biguanide sanitizer systems
Bestseller No. 10
Doheny's Calcium Reducer (1 Qt.)
- Perfect Pool Water Includes The Proper Hardness Levels!
- Quickly Reduces Hardness Levels
- Helps Increase Effectiveness Of Your Other Pool Chemicals
- Contains Phosphonic Acid Derivatives
- Ideal Calcium Hardness Levels In Swimming Pool Water Is 200-400 ppm
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Our Best Choice: Cal Treat – Calcium Hardness Reducer
Cal Deal with – Calcium Hardness Reducer