Increaser Hot Tubs(169)
Uses item details. Price when purchased online
AquaDoc Spa Alkalinity Increaser and pH Increaser for Hot Tub Bundle - Includes 32oz pH Up and 32oz Alkalinity Up for Hot Tub - Spa Chemicals to Help Balance Water - Made in USA $38.69
Sponsored
$3869
current price $38.69AquaDoc Spa Alkalinity Increaser and pH Increaser for Hot Tub Bundle - Includes 32oz pH Up and 32oz Alkalinity Up for Hot Tub - Spa Chemicals to Help Balance Water - Made in USA
AquaDoc pH Increaser – Liquid pH Booster for Hot Tub and Spa Maintenance and Water Balance, 32oz $29.96
Sponsored
$2996
current price $29.96AquaDoc pH Increaser – Liquid pH Booster for Hot Tub and Spa Maintenance and Water Balance, 32oz
15 out of 5 Stars. 1 reviews
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 $15.98 Was $19.99
Sponsored
Now$1598
current price Now $15.98, Was $19.99$19.99
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
24.5 out of 5 Stars. 2 reviews
Leisure Time 22339A Spa Up Balancer - Hot Tubs 2lbs, Raises pH and Alkalinity + QueBuy Pool Log Book $17.99
Sponsored
$1799
current price $17.99Leisure Time 22339A Spa Up Balancer - Hot Tubs 2lbs, Raises pH and Alkalinity + QueBuy Pool Log Book
15 out of 5 Stars. 1 reviews
HTH Spa Care Alkalinity Increaser Granules, 1.25 lb Pool and Spa Chemical to Raise Alkalinity and Balance Water $8.97 44.9 ¢/oz
$897
current price $8.9744.9 ¢/oz
HTH Spa Care Alkalinity Increaser Granules, 1.25 lb Pool and Spa Chemical to Raise Alkalinity and Balance Water
1944.7 out of 5 Stars. 194 reviews
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Clorox Spa Alkalinity Increaser Granules Form Pool Water Balancers for Spas and Hot Tubs, 2 lb
Clorox Spa Alkalinity Increaser Granules Form Pool Water Balancers for Spas and Hot Tubs, 2 lb
354.8 out of 5 Stars. 35 reviews
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Clorox Pool&Spa, pH Increaser Pool Water Balancers Granules- For Use in Spas and Hot Tubs, 18 Ounces $7.97 Was $8.99 44.3 ¢/oz
Now$797
current price Now $7.97, Was $8.99$8.99
44.3 ¢/oz
Clorox Pool&Spa, pH Increaser Pool Water Balancers Granules- For Use in Spas and Hot Tubs, 18 Ounces
1104.6 out of 5 Stars. 110 reviews
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Leisure Time 22339A Spa Up Balancer for Hot Tubs - 12 Pack
Leisure Time 22339A Spa Up Balancer for Hot Tubs - 12 Pack
55 out of 5 Stars. 5 reviews
Leisure Time 22339A Spa Up, pH Increaser for Hot Tubs, 2 lbs
Leisure Time 22339A Spa Up, pH Increaser for Hot Tubs, 2 lbs
73.6 out of 5 Stars. 7 reviews
In 50+ people's carts 73 inch 4-6 Person Inflatable Hot Tub Spa with Control Panel, Outdoor Portable Hottub with 130 Jets, Insulated Tub Cover and Floor Protector, Temperature up to 104°F, Gray Was $738.99
73 inch 4-6 Person Inflatable Hot Tub Spa with Control Panel, Outdoor Portable Hottub with 130 Jets, Insulated Tub Cover and Floor Protector, Temperature up to 104°F, Gray
6223.3 out of 5 Stars. 622 reviews
HTH Pool Care pH up — Powder, 4 lb — Pool Chemical pH Increaser to Balance Chemistry and Improve Water Clarity From $8.00
Sponsored
From$800
HTH Pool Care pH up — Powder, 4 lb — Pool Chemical pH Increaser to Balance Chemistry and Improve Water Clarity
1464.8 out of 5 Stars. 146 reviews
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Clorox Spa Alkalinity Increaser Granules Form Pool Water Balancers for Spas and Hot Tubs, 2 lb From $11.57
Sponsored
From$1157
Clorox Spa Alkalinity Increaser Granules Form Pool Water Balancers for Spas and Hot Tubs, 2 lb
354.8 out of 5 Stars. 35 reviews
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Caribbean Spa Calcium Hardness Increaser for Hot Tubs- 16 oz. $17.99
$1799
current price $17.99Caribbean Spa Calcium Hardness Increaser for Hot Tubs- 16 oz.
35 out of 5 Stars. 3 reviews
Quality Producer Direct Calcium Hardness Increaser 1 Gallon Calcium Chloride Powder for Pools & Hot Tubs $26.99
$2699
current price $26.99Quality Producer Direct Calcium Hardness Increaser 1 Gallon Calcium Chloride Powder for Pools & Hot Tubs
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 $29.69
$2969
current price $29.69AquaDoc 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
15 out of 5 Stars. 1 reviews
Best seller Clorox Pool&Spa Alkalinity Increaser for Swimming Pools, 5 lb Bag, Granules From $10.94
2 options
Available in additional 2 optionsFrom$1094
Clorox Pool&Spa Alkalinity Increaser for Swimming Pools, 5 lb Bag, Granules
6284.7 out of 5 Stars. 628 reviews
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HydroQuip 2 lbs Hi-Temp Spa pH Increaser $25.31
$2531
current price $25.31HydroQuip 2 lbs Hi-Temp Spa pH Increaser
50+ bought since yesterday Clorox Pool&Spa Calcium Increaser Pool Water Balancers Granules, 4 lb Bag From $11.82
2 options
Available in additional 2 optionsFrom$1182
Clorox Pool&Spa Calcium Increaser Pool Water Balancers Granules, 4 lb Bag
4604.6 out of 5 Stars. 460 reviews
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Haviland PT3944CS20P5 1 lbs ProTeam Spa Calcium Hardness Increaser, 12 Per Case $59.27
$5927
current price $59.27Haviland PT3944CS20P5 1 lbs ProTeam Spa Calcium Hardness Increaser, 12 Per Case
Caribbean Spa Alkalinity Increaser for Hot Tubs- 16oz. $18.99
$1899
current price $18.99Caribbean Spa Alkalinity Increaser for Hot Tubs- 16oz.
Puri Tech Powder Pool Chemicals 50 lb Calcium Hardness Increaser Plus for Swimming Pools & Spas $65.90
Sponsored
$6590
current price $65.90Puri Tech Powder Pool Chemicals 50 lb Calcium Hardness Increaser Plus for Swimming Pools & Spas
104.4 out of 5 Stars. 10 reviews
HTH Pool Care Calcium Hardness Increaser — Granules, 4 lb — Pool Chemical to Raise Calcium Hardness and Improve Water Balance From $9.90
Sponsored
From$990
HTH Pool Care Calcium Hardness Increaser — Granules, 4 lb — Pool Chemical to Raise Calcium Hardness and Improve Water Balance
1734.8 out of 5 Stars. 173 reviews
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AquaDoc pH Increaser Liquid pH Booster for Hot Tub and Spa Maintenance and Water Balance, 32oz $29.96
$2996
current price $29.96AquaDoc pH Increaser Liquid pH Booster for Hot Tub and Spa Maintenance and Water Balance, 32oz
15 out of 5 Stars. 1 reviews
Leisure Time pH Balance Up pH Increaser Hard Water for Hot Tubs & Spas 3lb 2pk $65.99
$6599
current price $65.99Leisure Time pH Balance Up pH Increaser Hard Water for Hot Tubs & Spas 3lb 2pk
Qualco QPL36735GA 5 lbs Alkalinity Increaser, 6 per Case $68.54
$6854
current price $68.54Qualco QPL36735GA 5 lbs Alkalinity Increaser, 6 per Case
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 $15.98 Was $19.99
Now$1598
current price Now $15.98, Was $19.99$19.99
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
24.5 out of 5 Stars. 2 reviews
Seizeen Inflatable Hot Tub for 6-8 Person, Outdoor Blow Up Hot Tub 80'' Round Wood Grain, Multifunctional Portable Home SPA with 140 Bubble Jets, Heating & Filtration System, Cover
Seizeen Inflatable Hot Tub for 6-8 Person, Outdoor Blow Up Hot Tub 80'' Round Wood Grain, Multifunctional Portable Home SPA with 140 Bubble Jets, Heating & Filtration System, Cover
4584.7 out of 5 Stars. 458 reviews
Spa Essentials Total Alkalinity Increaser Granules for Spas and Hot Tubs, 2-Pounds From $14.49
3 options
Available in additional 3 optionsFrom$1449
Spa Essentials Total Alkalinity Increaser Granules for Spas and Hot Tubs, 2-Pounds
25 out of 5 Stars. 2 reviews
Aqua Joe Pool & Spa Calcium Increaser, Calcium Chloride Pellets, 50 lbs., CCPL50 From $33.99
2 options
Available in additional 2 optionsFrom$3399
Aqua Joe Pool & Spa Calcium Increaser, Calcium Chloride Pellets, 50 lbs., CCPL50
AquaDoc Spa Alkalinity Increaser and pH Increaser for Hot Tub Bundle - Includes 32oz pH Up and 32oz Alkalinity Up for Hot Tub - Spa Chemicals to Help Balance Water - Made in USA $38.69
$3869
current price $38.69AquaDoc Spa Alkalinity Increaser and pH Increaser for Hot Tub Bundle - Includes 32oz pH Up and 32oz Alkalinity Up for Hot Tub - Spa Chemicals to Help Balance Water - Made in USA
HTH Spa Care Alkalinity Increaser — Granules, 1.25 lb — Pool and Spa Chemical to Raise Alkalinity and Balance Water $8.97 44.9 ¢/oz
Sponsored
$897
current price $8.9744.9 ¢/oz
HTH Spa Care Alkalinity Increaser — Granules, 1.25 lb — Pool and Spa Chemical to Raise Alkalinity and Balance Water
1944.7 out of 5 Stars. 194 reviews
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Puri Tech Powder Pool Chemicals 10 lb Calcium Hardness Increaser Plus for Swimming Pools & Spas $29.97
Sponsored
$2997
current price $29.97Puri Tech Powder Pool Chemicals 10 lb Calcium Hardness Increaser Plus for Swimming Pools & Spas
In 25+ people's carts 82" Inflatable Hot Tub, Segmart 5 to 7 Person Outdoor Hot Tub, Round Portable Home Spa with 130 Soothing AirJets, Lockable Cover, and Storage Bag, Built-in Heater Pump, Max. 104°F Was $958.99
82" Inflatable Hot Tub, Segmart 5 to 7 Person Outdoor Hot Tub, Round Portable Home Spa with 130 Soothing AirJets, Lockable Cover, and Storage Bag, Built-in Heater Pump, Max. 104°F
4003.4 out of 5 Stars. 400 reviews
ProTeam Spa Calcium Up, Calcium Hardness Increaser for Spas and Hot Tubs 1 lb $15.27
$1527
current price $15.27ProTeam Spa Calcium Up, Calcium Hardness Increaser for Spas and Hot Tubs 1 lb
Clearance 73''Inflatable Hot Tub, Outdoor Hot Tub for 6 Person Indoor Home Spa with Hidden Machine, 130 Massage Jets, Lockable Cover, Storage Bag, 4 Filters, 2 Cup Holders, Max 104℉, 910L Capacity Was $601.61
73''Inflatable Hot Tub, Outdoor Hot Tub for 6 Person Indoor Home Spa with Hidden Machine, 130 Massage Jets, Lockable Cover, Storage Bag, 4 Filters, 2 Cup Holders, Max 104℉, 910L Capacity
6694.2 out of 5 Stars. 669 reviews
Pool & Spa Swimming Alkalinity Increaser, Keeps pH Balanced, 16LB (Pack of 1) $42.47
$4247
current price $42.47Pool & Spa Swimming Alkalinity Increaser, Keeps pH Balanced, 16LB (Pack of 1)
Natural Chemistry 14202NCM Hot Tub and Spa PH Increaser w/ All-Natural Sodium $17.75
$1775
current price $17.75Natural Chemistry 14202NCM Hot Tub and Spa PH Increaser w/ All-Natural Sodium
25 out of 5 Stars. 2 reviews
Alkalinity Increaser for Pools and Spa. Pure 99.95% Sodium Carbonate (Soda Ash Dense) 30 lbs $60.49
$6049
current price $60.49Alkalinity Increaser for Pools and Spa. Pure 99.95% Sodium Carbonate (Soda Ash Dense) 30 lbs
Leisure Time 8098077 1 lbs Granule Calcium Hardness Increaser, Pack of 12 $16.99
$1699
current price $16.99Leisure Time 8098077 1 lbs Granule Calcium Hardness Increaser, Pack of 12
ProTeam Spa pH Increaser 1 lb Granules $14.79
$1479
current price $14.79ProTeam Spa pH Increaser 1 lb Granules
25 out of 5 Stars. 2 reviews
82 Inch Inflatable Hot Tub, 4 to 6 Person Outdoor Hot Tub Spa Built-in Heater Pump, Portable Hot Tub w/130 Jets, Tub Cover, Filter Cartridges, 1000L Capacity Was $658.99
82 Inch Inflatable Hot Tub, 4 to 6 Person Outdoor Hot Tub Spa Built-in Heater Pump, Portable Hot Tub w/130 Jets, Tub Cover, Filter Cartridges, 1000L Capacity
15 out of 5 Stars. 1 reviews
SpaPure Alkalinity Increaser Stabilizer Spas Hot Tubs 2lb 1 Pack C002693-CS20B2 $22.99
$2299
current price $22.99SpaPure Alkalinity Increaser Stabilizer Spas Hot Tubs 2lb 1 Pack C002693-CS20B2
EZ Spa Calcium Hardness Increaser 1lb EZSC1 $17.43
$1743
current price $17.43EZ Spa Calcium Hardness Increaser 1lb EZSC1
15 out of 5 Stars. 1 reviews
Clearance 73in Square Hot Tub for 4-6 Person, Seizeen Inflatable Hot Tub Home SPA for Outdoor, 910L Capacity, 130pcs Massage Jets, w/4 Filters, Lockable Cover, Storage Bag, 2 Cup Holder, Gray From $399.99
From$39999
73in Square Hot Tub for 4-6 Person, Seizeen Inflatable Hot Tub Home SPA for Outdoor, 910L Capacity, 130pcs Massage Jets, w/4 Filters, Lockable Cover, Storage Bag, 2 Cup Holder, Gray
11154.1 out of 5 Stars. 1115 reviews
6-8 Person Portable Hot Tub w/Cup Holder, 82''Dia Inflatable Home Spa Tub with Hidden Machine, 130 Massage Jets, Rattan Pattern Hot Tub with Storage Bag Lockable Cover Floor Mat, 4 Filters, Max 104℉ Was $699.99
6-8 Person Portable Hot Tub w/Cup Holder, 82''Dia Inflatable Home Spa Tub with Hidden Machine, 130 Massage Jets, Rattan Pattern Hot Tub with Storage Bag Lockable Cover Floor Mat, 4 Filters, Max 104℉
3884 out of 5 Stars. 388 reviews
GuardH pH Enhancer, Pool Water Alkalinity Increaser, 8 lbs, for Pools and Spas $25.00
$2500
current price $25.00GuardH pH Enhancer, Pool Water Alkalinity Increaser, 8 lbs, for Pools and Spas
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Robelle Calcium Hardness Increaser 8 Lbs
Robelle Calcium Hardness Increaser 8 Lbs
24.5 out of 5 Stars. 2 reviews
Baquacil Total Alkalinity Increaser ( 5 lb ) $19.99
$1999
current price $19.99Baquacil Total Alkalinity Increaser ( 5 lb )
Baquacil Total Alkalinity Increaser ( 10 lb ) $22.99
$2299
current price $22.99Baquacil Total Alkalinity Increaser ( 10 lb )
11 out of 5 Stars. 1 reviews
Buckmans OMGALK25PCH 25 lbs Alkalinity Increaser for Swimming Pools Pouch Splash $35.06
$3506
current price $35.06Buckmans OMGALK25PCH 25 lbs Alkalinity Increaser for Swimming Pools Pouch Splash
14 out of 5 Stars. 1 reviews
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