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Alkalinity Increasers

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Overall pick Information, Clorox Pool&Spa Alkalinity Increaser for Swimming Pools, 5 lb Bag, Granules From $10.94

Overall pick
Clorox Pool&Spa Alkalinity Increaser for Swimming Pools, 5 lb Bag, Granules
Available in additional 2 options
From$1094

Clorox Pool&Spa Alkalinity Increaser for Swimming Pools, 5 lb Bag, Granules

4.7 out of 5 stars
4.7 out of 5 Stars. 1031 reviews

HTH Pool Care Alkalinity up Granules (Form), 5 lb Pool Alkalinity Increaser to Balance pH and Total Alkalinity $9.73 Was $17.99 $1.95/lb

HTH Pool Care Alkalinity up  Granules (Form), 5 lb  Pool Alkalinity Increaser to Balance pH and Total Alkalinity
current price Now $9.73, Was $17.99
$1.95/lb

HTH Pool Care Alkalinity up Granules (Form), 5 lb Pool Alkalinity Increaser to Balance pH and Total Alkalinity

4.7 out of 5 stars
4.7 out of 5 Stars. 251 reviews

Top rated for water clarity, HTH Spa Care Alkalinity Increaser Granules, 1.25 lb Pool and Spa Chemical to Raise Alkalinity and Balance Water $8.97 44.9 ¢/oz

Top rated for water clarity
HTH Spa Care Alkalinity Increaser  Granules, 1.25 lb  Pool and Spa Chemical to Raise Alkalinity and Balance Water
current price $8.97
44.9 ¢/oz

HTH Spa Care Alkalinity Increaser Granules, 1.25 lb Pool and Spa Chemical to Raise Alkalinity and Balance Water

4.7 out of 5 stars
4.7 out of 5 Stars. 270 reviews

ARM & HAMMER Clear Balance Alkalinity & pH Maintenance Tablets for Pools & Spa, 24 Count $32.88 $1.37/ea

ARM & HAMMER Clear Balance Alkalinity & pH Maintenance Tablets for Pools & Spa, 24 Count
current price $32.88
$1.37/ea

ARM & HAMMER Clear Balance Alkalinity & pH Maintenance Tablets for Pools & Spa, 24 Count

4.6 out of 5 stars
4.6 out of 5 Stars. 1391 reviews

HTH Pool Care pH up Powder, 4 lb Pool Chemical pH Increaser to Balance Chemistry and Improve Water Clarity $9.52 Was $18.27 $2.38/lb

HTH Pool Care pH up  Powder, 4 lb  Pool Chemical pH Increaser to Balance Chemistry and Improve Water Clarity
current price Now $9.52, Was $18.27
$2.38/lb

HTH Pool Care pH up Powder, 4 lb Pool Chemical pH Increaser to Balance Chemistry and Improve Water Clarity

4.7 out of 5 stars
4.7 out of 5 Stars. 224 reviews

Clorox Pool&Spa, pH Increaser Pool Water Balancers Granules- For Use in Spas and Hot Tubs, 18 Ounces $8.18 45.4 ¢/oz

Clorox Pool&Spa, pH Increaser Pool Water Balancers Granules- For Use in Spas and Hot Tubs, 18 Ounces
current price $8.18
45.4 ¢/oz

Clorox Pool&Spa, pH Increaser Pool Water Balancers Granules- For Use in Spas and Hot Tubs, 18 Ounces

4.6 out of 5 stars
4.6 out of 5 Stars. 148 reviews

In The Swim Alkalinity Increaser For Swimming Pools - Raises Alkalinity and Balances pH Levels in your Swimming Pool Water - 100% Sodium Bicarbonate - 25 Pounds Y7320 From $24.99

In The Swim Alkalinity Increaser For Swimming Pools - Raises Alkalinity and Balances pH Levels in your Swimming Pool Water - 100% Sodium Bicarbonate - 25 Pounds Y7320
Available in additional 4 options
From$2499

In The Swim Alkalinity Increaser For Swimming Pools - Raises Alkalinity and Balances pH Levels in your Swimming Pool Water - 100% Sodium Bicarbonate - 25 Pounds Y7320

4.6 out of 5 stars
4.6 out of 5 Stars. 102 reviews

SpaGuard Spa Total Alkalinity (2 Lb) (1) $12.99

SpaGuard Spa Total Alkalinity (2 Lb) (1)
current price $12.99

SpaGuard Spa Total Alkalinity (2 Lb) (1)

5 out of 5 stars
5 out of 5 Stars. 10 reviews

Clorox Spa Alkalinity Increaser Granules Form Pool Water Balancers for Spas and Hot Tubs, 2 lb $11.57 36.2 ¢/oz

Clorox Spa Alkalinity Increaser Granules Form Pool Water Balancers for Spas and Hot Tubs, 2 lb
current price $11.57
36.2 ¢/oz

Clorox Spa Alkalinity Increaser Granules Form Pool Water Balancers for Spas and Hot Tubs, 2 lb

4.8 out of 5 stars
4.8 out of 5 Stars. 40 reviews

AquaDoc Total Alkalinity Increaser for Hot Tub to Keep Alkalinity Up for Spas - Alkalinity Booster Chemical for Hot Tub & Spa pH Balance - Get Fresh Water pH Balance & Bring Alkalinity Up $16.99

AquaDoc Total Alkalinity Increaser for Hot Tub to Keep Alkalinity Up for Spas - Alkalinity Booster Chemical for Hot Tub & Spa pH Balance - Get Fresh Water pH Balance & Bring Alkalinity Up
current price $16.99

AquaDoc Total Alkalinity Increaser for Hot Tub to Keep Alkalinity Up for Spas - Alkalinity Booster Chemical for Hot Tub & Spa pH Balance - Get Fresh Water pH Balance & Bring Alkalinity Up

5 out of 5 stars
5 out of 5 Stars. 2 reviews

Solvay Bicar Sodium Bicarbonate Alkalinity Up, 50 lbs. $59.99

Solvay Bicar Sodium Bicarbonate Alkalinity Up, 50 lbs.
current price $59.99

Solvay Bicar Sodium Bicarbonate Alkalinity Up, 50 lbs.

Puri Tech 50lb Powder Total Alkalinity Increaser Sodium Bicarbonate for Swimming Pools $65.12

Puri Tech 50lb Powder Total Alkalinity Increaser Sodium Bicarbonate for Swimming Pools
current price $65.12

Puri Tech 50lb Powder Total Alkalinity Increaser Sodium Bicarbonate for Swimming Pools

4.5 out of 5 stars
4.5 out of 5 Stars. 17 reviews

JJJACHLOR Pool Care Alkalinity Increaser 10 LBS, Granules, 100% Sodium Bicarbonate, Pool Water Balancer, Raises Total Alkalinity & Stabilizes pH for Swimming Pools & Spas $29.99

JJJACHLOR Pool Care Alkalinity Increaser 10 LBS, Granules, 100% Sodium Bicarbonate, Pool Water Balancer, Raises Total Alkalinity & Stabilizes pH for Swimming Pools & Spas
current price $29.99

JJJACHLOR Pool Care Alkalinity Increaser 10 LBS, Granules, 100% Sodium Bicarbonate, Pool Water Balancer, Raises Total Alkalinity & Stabilizes pH for Swimming Pools & Spas

BioGuard Balance Pak 100 Pool Water Balancers, 12 lb $28.99

BioGuard Balance Pak 100 Pool Water Balancers, 12 lb
current price $28.99

BioGuard Balance Pak 100 Pool Water Balancers, 12 lb

4.9 out of 5 stars
4.9 out of 5 Stars. 7 reviews

My Garden Pool Soda Ash - pH Increaser for Crystal-Clear Waters, Laundry Booster, Tie Dye Fixer - Elevate Your Pool and Projects with Sodium Carbonate 1 lbs From $9.99

My Garden Pool Soda Ash - pH Increaser for Crystal-Clear Waters, Laundry Booster, Tie Dye Fixer - Elevate Your Pool and Projects with Sodium Carbonate 1 lbs
Available in additional 2 options
From$999

My Garden Pool Soda Ash - pH Increaser for Crystal-Clear Waters, Laundry Booster, Tie Dye Fixer - Elevate Your Pool and Projects with Sodium Carbonate 1 lbs

3.8 out of 5 stars
3.8 out of 5 Stars. 4 reviews

Leisure Pool Total Alkalinity Increaser (Sodium Bicarbonate) | 50 lb. Pails $89.99

Leisure Pool Total Alkalinity Increaser (Sodium Bicarbonate) | 50 lb. Pails
current price $89.99

Leisure Pool Total Alkalinity Increaser (Sodium Bicarbonate) | 50 lb. Pails

4.3 out of 5 stars
4.3 out of 5 Stars. 6 reviews

Pool Mate Total Alkalinity Increaser for Swimming Pools, 25-Pounds Bucket $48.47

Pool Mate Total Alkalinity Increaser for Swimming Pools, 25-Pounds Bucket
current price $48.47

Pool Mate Total Alkalinity Increaser for Swimming Pools, 25-Pounds Bucket

5 out of 5 stars
5 out of 5 Stars. 1 reviews

FROG TArget Total Alkalinity Increaser for Hot Tub & Swim Spa Water - 2 lb Bottle with TruDose Measuring Cap for Easy Maintenance & Balancing - 1 Pack From $14.95

FROG TArget Total Alkalinity Increaser for Hot Tub & Swim Spa Water - 2 lb Bottle with TruDose Measuring Cap for Easy Maintenance & Balancing - 1 Pack
Available in additional 2 options
From$1495

FROG TArget Total Alkalinity Increaser for Hot Tub & Swim Spa Water - 2 lb Bottle with TruDose Measuring Cap for Easy Maintenance & Balancing - 1 Pack

5 out of 5 stars
5 out of 5 Stars. 2 reviews

SpaPure Alkalinity Increaser Stabilizer Spas Hot Tubs 2lb 1 Pack C002693-CS20B2 $21.33

SpaPure Alkalinity Increaser Stabilizer Spas Hot Tubs 2lb 1 Pack C002693-CS20B2
current price $21.33

SpaPure Alkalinity Increaser Stabilizer Spas Hot Tubs 2lb 1 Pack C002693-CS20B2

poolife Alkalinity Plus (25 lb) $50.99

poolife Alkalinity Plus (25 lb)
current price $50.99

poolife Alkalinity Plus (25 lb)

5 out of 5 stars
5 out of 5 Stars. 1 reviews

Poolife Alkalinity Plus (10 lb) $21.99

Poolife Alkalinity Plus (10 lb)
current price $21.99

Poolife Alkalinity Plus (10 lb)

Pool Central Maintain Pool Pro Alkalinity Increaser - 25 lbs. $91.99

Pool Central Maintain Pool Pro Alkalinity Increaser - 25 lbs.
current price $91.99

Pool Central Maintain Pool Pro Alkalinity Increaser - 25 lbs.

Puri Tech 25 lb Calcium Hardness & Alkalinity Increaser Kit for Swimming Pools $62.50

Puri Tech 25 lb Calcium Hardness & Alkalinity Increaser Kit for Swimming Pools
current price $62.50

Puri Tech 25 lb Calcium Hardness & Alkalinity Increaser Kit for Swimming Pools

30 lb Pool pH Increaser Sodium Bicarbonate $60.99

30 lb Pool pH Increaser Sodium Bicarbonate
current price $60.99

30 lb Pool pH Increaser Sodium Bicarbonate

Proteam Spa Alkalinity Up (2 lb) $16.83

Proteam Spa Alkalinity Up (2 lb)
current price $16.83

Proteam Spa Alkalinity Up (2 lb)

5 out of 5 stars
5 out of 5 Stars. 1 reviews

Doheny's Alkalinity Up Swimming Pool Alkalinity Increaser, Raises Total Alkalinity & pH, Fast-Acting Water Balancer, Reduces Corrosion, 25 lb From $23.39

Doheny's Alkalinity Up Swimming Pool Alkalinity Increaser, Raises Total Alkalinity & pH, Fast-Acting Water Balancer, Reduces Corrosion, 25 lb
Available in additional 5 options
From$2339

Doheny's Alkalinity Up Swimming Pool Alkalinity Increaser, Raises Total Alkalinity & pH, Fast-Acting Water Balancer, Reduces Corrosion, 25 lb

4.7 out of 5 stars
4.7 out of 5 Stars. 151 reviews

ALKALINITY INCREASER 25# $65.54

ALKALINITY INCREASER 25#
current price $65.54

ALKALINITY INCREASER 25#

O-ACE-sis 8191892 5 lbs Alkalinity Increaser $29.94

O-ACE-sis 8191892 5 lbs Alkalinity Increaser
current price $29.94

O-ACE-sis 8191892 5 lbs Alkalinity Increaser

AquaDoc Pool Alkalinity Increaser, Sodium Bicarbonate Powder for Swimming Pools, Raises Total Alkalinity, 5 lb $24.99 Was $30.99

AquaDoc Pool Alkalinity Increaser, Sodium Bicarbonate Powder for Swimming Pools, Raises Total Alkalinity, 5 lb
current price Now $24.99, Was $30.99

AquaDoc Pool Alkalinity Increaser, Sodium Bicarbonate Powder for Swimming Pools, Raises Total Alkalinity, 5 lb

5 out of 5 stars
5 out of 5 Stars. 6 reviews

Pool Mate Alkalinity Increaser- 6 x 1 Lb $49.99

Pool Mate Alkalinity Increaser- 6 x 1 Lb
current price $49.99

Pool Mate Alkalinity Increaser- 6 x 1 Lb

PacifiClear 5 Lb. Alkalinity Increaser Granule F085005040PC $26.24

PacifiClear 5 Lb. Alkalinity Increaser Granule F085005040PC
current price $26.24

PacifiClear 5 Lb. Alkalinity Increaser Granule F085005040PC

Pool Breeze 8086042 10 lbs Alkalinity Increaser Powder, Pack of 4 $72.54

Pool Breeze 8086042 10 lbs Alkalinity Increaser Powder, Pack of 4
current price $72.54

Pool Breeze 8086042 10 lbs Alkalinity Increaser Powder, Pack of 4

Caribbean Spa Alkalinity Increaser for Hot Tubs- 16oz. $18.99

Caribbean Spa Alkalinity Increaser for Hot Tubs- 16oz.
current price $18.99

Caribbean Spa Alkalinity Increaser for Hot Tubs- 16oz.

Pool Mate Alkalinity Increaser- 2 x 1 Lb $31.99

Pool Mate Alkalinity Increaser- 2 x 1 Lb
current price $31.99

Pool Mate Alkalinity Increaser- 2 x 1 Lb

ProTeam Alkalinity Up 25 lb $49.04

ProTeam Alkalinity Up 25 lb
current price $49.04

ProTeam Alkalinity Up 25 lb

Baquacil Total Alkalinity Increaser 4 Pounds (Bucket) $19.99

Baquacil Total Alkalinity Increaser 4 Pounds (Bucket)
current price $19.99

Baquacil Total Alkalinity Increaser 4 Pounds (Bucket)

Splash OMGALK5PCH 5 lbs Alkalinity Increaser Pouch $28.98

Splash OMGALK5PCH 5 lbs Alkalinity Increaser Pouch
current price $28.98

Splash OMGALK5PCH 5 lbs Alkalinity Increaser Pouch

Pool Mate Alkalinity Increaser- 4 x 1 Lb $39.99

Pool Mate Alkalinity Increaser- 4 x 1 Lb
current price $39.99

Pool Mate Alkalinity Increaser- 4 x 1 Lb

Puri Tech Pool Powder Chemicals 25 lb Total Alkalinity Increaser Plus for Swimming Pool From $22.99

Puri Tech Pool Powder Chemicals 25 lb Total Alkalinity Increaser Plus for Swimming Pool
Available in additional 4 options
From$2299

Puri Tech Pool Powder Chemicals 25 lb Total Alkalinity Increaser Plus for Swimming Pool

4.4 out of 5 stars
4.4 out of 5 Stars. 14 reviews

Highly rated by customers

FAQ

how do I use pool alkalinity increaser?

Using a pool alkalinity increaser is pretty straightforward. First, test your pool's alkalinity using a pool test kit. If it's low, follow the instructions on the product's packaging for the right amount to add. Usually, you'll sprinkle the granules or dissolve tablets directly into the pool water, preferably near a return jet to help circulation.

  • Check your pool's total alkalinity before adding.
  • Distribute evenly for best results.
  • Allow time for the product to dissolve and circulate.

Re-test after a few hours to ensure levels are balanced.

what does alkalinity increaser do for my pool?

Alkalinity increaser helps keep your pool water balanced and comfortable for swimmers. When total alkalinity is too low, your pool's pH can fluctuate, making it harder to maintain clear water. Raising alkalinity stabilizes pH, which can help prevent corrosion on pool surfaces and equipment.

  • Reduces risk of pH swings.
  • Helps protect pool surfaces and equipment.
  • Makes water feel more comfortable.

Keeping alkalinity in range is a key step in pool maintenance.

can I use alkalinity increasers in hot tubs?

Yes, alkalinity increasers are designed for both pools and hot tubs. Always check the packaging to confirm it's suitable for your spa, and use the recommended dosage for smaller water volumes. Proper alkalinity helps balance your spa's water chemistry and protects components like heaters and jets.

  • Use spa-specific products for best results.
  • Follow label instructions closely.
  • Test water before and after adding.

Keeping spa water balanced can make maintenance easier and extend the life of your equipment.

how often should I check pool alkalinity levels?

It's a good idea to check your pool's alkalinity levels at least once a week during swim season. If you've added chemicals or had heavy rain, test more frequently. Consistent monitoring helps spot issues early and keeps your water safe and clear.

  • Weekly testing is recommended.
  • After storms or chemical additions, re-test.
  • Adjust as needed to stay in the ideal range.

Regular checks help you keep maintenance simple and stress-free.

can I add alkalinity increaser and pH up together?

While alkalinity increaser and pH up both help balance your pool's water, it's best to add them separately. Start by adjusting alkalinity first, since it helps stabilize pH. After waiting a few hours and testing again, you can add pH up if needed. This step-by-step approach can make balancing your water easier.

  • Add alkalinity increaser first.
  • Wait and retest before adding pH up.
  • Always follow product instructions.

Following these steps can help you avoid over-correcting and keep your pool water balanced.

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