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Good DealPool Mate 1-Quart Premium Increase pH, Liquid pH Increaser for Hot Tub, Made in USA$6.30Save $2.99Online - Amazon.comTypically:$9.29Save $2.99 - Good Deal
Good DealPool Mate 4-Pounds Premium Pool Stabilizer and Conditioner, Concentrated Cyanuric Acid for Pools, Helps Chlorine Last Longer$14.41Save $5.11Online - Amazon.comTypically:$19.52Save $5.11 
Pool Mate 1-Quart 2-Pack Premium Drop Down Liquid Flocculant, Pool Clarifier, Made in USA$13.03Save $17.88Used - Amazon.comTypically:$30.91Save $17.88
HTH Pool Care pH Decreaser, Powder, 5 lbs, for Balancing pH Levels$12.60Save $4.12Online - WalmartTypically:$16.72Save $4.12MSRP:$70.47Save $57.87
SpaChoice 1-Pound Premium pH Increaser for Hot Tub, 100% Sodium Carbonate, Made in USA$7.21Save $1.87Online - Amazon.comTypically:$9.08Save $1.87MSRP:$15.84Save $8.63
Pool Mate 5-Pounds Premium pH Up for Pools, 100% Sodium Carbonate$8.93Save $2.24Online - Amazon.comTypically:$11.17Save $2.24
SpaChoice 1-Pound 2-Pack Premium Alkalinity Up, Alkalinity Increaser for Hot Tub, 100% Sodium Bicarbonate, Made in USA$7.92Save $1.94Online - Amazon.comTypically:$9.86Save $1.94MSRP:$8.39Save $0.47
Pool Mate 10-Pounds Premium Alkalinity Increaser for Swimming Pools, 100% Sodium Bicarbonate$18.10Save $4.10Online - Amazon.comTypically:$22.20Save $4.10MSRP:$23.91Save $5.81
Pool Mate 20-Pounds Premium pH Up for Pools, 100% Sodium Carbonate$34.95Save $6.07Online - Amazon.comTypically:$41.02Save $6.07MSRP:$43.56Save $8.61
Pool Mate 25-Pounds Premium Alkalinity Increaser for Swimming Pools, 100% Sodium Bicarbonate, Made in USA$35.60Save $5.75Online - Amazon.comTypically:$41.35Save $5.75MSRP:$40.05Save $4.45
SpaChoice 1.5-Pounds Premium Brominating Tabs Sanitizer for Spas, Bromine Tablets for Spa Hot Tub, Made in USA$29.56Save $4.74Online - Amazon.comTypically:$34.30Save $4.74- Pool Mate 20-Pounds Premium pH Up for Pools, 100% Sodium Carbonate$33.60Save $4.98Online - Amazon.comTypically:$38.58Save $4.98MSRP:$54.99Save $21.39
SpaChoice 1-Quart 2-Pack Premium Increase pH, Liquid pH Increaser for Hot Tub, Made in USA$16.00Save $2.17Online - Amazon.comTypically:$18.17Save $2.17MSRP:$17.41Save $1.41
Robelle 1-Quart 2-Pack Premium Water Brightener and Clarifier, Pool Clarifier, Made in USA$17.48Save $3.09Online - Amazon.comTypically:$20.57Save $3.09MSRP:$25.11Save $7.63
HTH Pool Care Shock Advanced — Granules, 6 Pack (6 lb total) — Pool Shock Treatment for Weekly Pool Sanitizing$24.13Save $2.77Online - WalmartTypically:$26.90Save $2.77MSRP:$353.84Save $329.71
Robelle 4-Pounds Premium Chlorine Stabilizer and Conditioner, Concentrated Cyanuric Acid for Pools, Pool Stabilizer, Helps Chlorine Last Longer$19.16Save $2.33Online - Amazon.comTypically:$21.49Save $2.33MSRP:$34.99Save $15.83
Pool Mate 25-Pounds Premium Alkalinity Increaser for Swimming Pools, 100% Sodium Bicarbonate$40.20Save $4.55Online - Amazon.comTypically:$44.75Save $4.55MSRP:$42.10Save $1.90
Pool Mate 16-Pounds Premium Calcium Hardness Increaser for Pools, 100% Calcium Chloride$36.60Save $4.13Online - Amazon.comTypically:$40.73Save $4.13MSRP:$35.64
HTH 67227 Swimming Pool Care Filter Cleaner, Quickly and Effectively Cleans and Prolongs Life of Pool Filter, Improves Filtration Efficiency, Compatible with All Filter Types, 32oz$15.74Save $1.64Online - Amazon.comTypically:$17.38Save $1.64MSRP:$146.29Save $130.55
Pool Mate 10-Pounds Premium pH Up for Pools, 100% Sodium Carbonate$16.80Save $1.75Online - Amazon.comTypically:$18.55Save $1.75MSRP:$24.39Save $7.59
SpaChoice 2.5-Pounds 4-Pack Premium pH Decreaser for Hot Tub, 100% Sodium Bisulfate, Made in USA$34.00Save $4.94Online - Amazon.comTypically:$38.94Save $4.94MSRP:$50.07Save $16.07
SpaChoice 2-Pounds Premium pH Increaser for Hot Tub, 100% Sodium Carbonate, Made in USA$5.97Save $0.55Online - Amazon.comTypically:$6.52Save $0.55
Pool Mate 7-Pounds Premium Pool Stabilizer and Conditioner, Concentrated Cyanuric Acid for Pools, Helps Chlorine Last Longer$25.21Save $1.97Online - Amazon.comTypically:$27.18Save $1.97MSRP:$31.73Save $6.52
SpaChoice 4-Pounds Premium Pool Stabilizer and Conditioner, Concentrated Cyanuric Acid for Pools, Helps Chlorine Last Longer$12.91Save $11.22Used - Amazon.comTypically:$24.13Save $11.22MSRP:$25.42Save $12.51
Pool Mate 1-Quart 2-Pack Concentrated Black Algaecide, Algaecide for Pool, Made in USA$62.38Save $4.79Online - Amazon.comTypically:$67.17Save $4.79MSRP:$72.32Save $9.94
SpaChoice 2-Pounds 4-Pack Premium Bromine Booster, Sodium Bromide for Hot Tub, Made in USA$62.13Save $47.23Used - Amazon.comTypically:$109.36Save $47.23MSRP:$109.99Save $47.86
SpaChoice 1-Quart 6-Pack Premium Clear and Sparkle Blue Pool Water Clarifier, Pool Clarifier, Made in USA$42.27Save $4.96Online - Amazon.comTypically:$47.23Save $4.96MSRP:$59.99Save $17.72
Robelle 20-Pounds Premium pH Up for Pools, 100% Sodium Carbonate$34.60Save $3.97Online - Amazon.comTypically:$38.57Save $3.97MSRP:$54.99Save $20.39
Pool Mate 1-Quart Concentrated Black Algaecide, Algaecide for Pool, Made in USA$32.43Save $1.79Online - Amazon.comTypically:$34.22Save $1.79MSRP:$36.16Save $3.73
Pool Mate 28-Pounds Premium Pool Stabilizer and Conditioner, Concentrated Cyanuric Acid for Pools, Helps Chlorine Last Longer$83.01Save $3.35Online - Amazon.comTypically:$86.36Save $3.35MSRP:$119.99Save $36.98
Pool Mate 32-Pounds Premium Pool Stabilizer and Conditioner, Concentrated Cyanuric Acid for Pools, Helps Chlorine Last Longer$71.17Save $47.00Used - Amazon.comTypically:$118.17Save $47.00MSRP:$137.89Save $66.72
Pool RX 332066 PoolRX+ Booster Black Swimming Pool Algaecide, Single Unit$48.37Save $1.10Online - Amazon.comTypically:$49.47Save $1.10MSRP:$54.99Save $6.62
Robelle 40,000 Gallon Triple-Action Winter Kit, Premium Pool Closing Kit, for Pools up to 40,000 Gallons$79.97Save $1.61Online - Amazon.comTypically:$81.58Save $1.61MSRP:$71.92
SpaChoice 2-Pounds 2-Pack Premium Alkalinity Up, Alkalinity Increaser for Hot Tub, 100% Sodium Bicarbonate, Made in USA$22.93Save $0.37Online - Amazon.comTypically:$23.30Save $0.37MSRP:$20.35
Clorox Pool&Spa Chlorine Stabilizer Pool Water Balancers Granules, 4 lbs for pH balancing$19.97Save $0.04Online - WalmartTypically:$20.01Save $0.04MSRP:$35.22Save $15.25
Clorox® Pool&Spa™ System Cleanse, Removes Build-Up from Spa and Hot Tub Plumbing, Improves Filter Performance, 32 Ounces (Pack of 1)$12.74Online - Amazon.comTypically:$12.74
Clorox Pool&Spa 3-Way Pool Test Kit pH, 1ct$8.68Online - WalmartTypically:$8.67MSRP:$20.36Save $11.68
Pool Mate 40-Pounds Premium Alkalinity Increaser for Swimming Pools, 100% Sodium Bicarbonate$65.68Save $0.45Online - Amazon.comTypically:$66.13Save $0.45
Aqua Clear Pool Products pH Increaser 18 lb.$28.73Save $1.21Online - Amazon.comTypically:$29.94Save $1.21MSRP:$39.99Save $11.26
HTH 67121 Swimming Pool Care D.E. Filter Aid, Improve Filtration Efficiency and Water Clarity, 10lb$27.99Save $0.02Online - Amazon.comTypically:$28.01Save $0.02MSRP:$37.71Save $9.72
Pool Mate 25-Pounds Premium pH Up for Pools, 100% Sodium Carbonate$40.97Online - Amazon.comTypically:$40.97MSRP:$44.49Save $3.52
Robelle 20-Pounds Premium Alkalinity Up for Pools, Alkalinity Increaser for Swimming Pools, 100% Sodium Bicarbonate$37.36Save $1.38Online - Amazon.comTypically:$38.74Save $1.38MSRP:$31.15
SpaChoice 2.5-Pounds Premium pH Decreaser for Hot Tub, 100% Sodium Bisulfate, Made in USA$16.29Save $0.56Online - Amazon.comTypically:$16.85Save $0.56
Leisure Time O Filter Clean Cartridge Cleaner, Formula for Deep Cleaning Hot Tub Filters, Improving Water Flow & Filtration Efficiency, 32 fl oz$22.99Online - Amazon.comTypically:$22.75MSRP:$221.82Save $198.83
SpaChoice 1-Pound Premium Bromine Booster, Sodium Bromide for Hot Tub, Made in USA$19.04Save $0.45Online - Amazon.comTypically:$19.49Save $0.45MSRP:$23.45Save $4.41
Clorox® Pool&Spa™ Spa Brominating Granules, for Low, Odor Sanitization, Restores Water Clarity in Hot Tubs and Spas, 2 lb (Pack of 1)$18.97Online - Amazon.comTypically:$18.17MSRP:$19.49Save $0.52
Robelle 5-Pounds Premium 5-In-1 Multi-Purpose Tabs, Chlorine Tablets 3 Inch, Sanitizer, Clarifier, Stain Inhibitor, Algae Control, Descaler, Sunlight Protector All In One, Made In USA$59.73Save $0.32Online - Amazon.comTypically:$60.05Save $0.32MSRP:$39.31
Leisure Time A Spa Bright and Clear, Clarifying Formula for Enhanced Water Clarity and Filter Performance in Spas, 2lbs$16.99Online - Amazon.comTypically:$16.39MSRP:$18.00Save $1.01
Pool Mate 1-Quart 4-Pack Concentrated Metal Out Stain and Mineral Inhibitor, Pool Metal Remover, Stain Remover, Made in USA$51.30Online - Amazon.comTypically:$49.41
ResCare RK02B All-Purpose Water Softener Cleaner Liquid Refill, 4 Gallons$92.00Online - WalmartTypically:$92.00MSRP:$92.00
HTH Drop Out Flocculant — 28 oz Liquid Pool Clarifier — Removes Fine Particles to Clear Cloudy Water$11.88Online - WalmartTypically:$11.88
PoolRx+ Mineral Algaecide 4-Unit Pack, up to 6-Month Algae Control, for 400-1,000 gallons, Purple & White, New Formula with Silver.$67.66Online - Amazon.comTypically:$65.02MSRP:$89.99Save $22.33
LabTech LT5010 H2O OK Drinking Water Analysis Test Strips Kit, 10 Water Quality Tests Included, 0.058 lb.$9.98Online - WalmartTypically:$9.96MSRP:$9.98
Robelle 25-Pounds Premium pH Up for Pools, 100% Sodium Carbonate$40.72Online - Amazon.comTypically:$40.62MSRP:$46.52Save $5.80
Leisure Time 22337A Spa 56 Chlorinating Granules, Bucket for Crystal Clear Water Maintenance, 2lbs$23.99Online - Amazon.comTypically:$23.00MSRP:$59.99Save $36.00
PoolRx+ Mineral Algaecide Unit, up to 6-Month Algae Control, for 2.5K-5K gallons, Red & White, New Formula with Silver.$34.01Online - Amazon.comTypically:$33.41MSRP:$40.99Save $6.98
Robarb 20154A-04 Super Swimming Pool Clarifier, 1-Quart, Blue, 4-Pack$69.35Online - Amazon.comTypically:$65.41MSRP:$70.65Save $1.30
Robelle 8-Pounds Premium Pool Calcium Up, Calcium Hardness Increaser$29.90Online - Amazon.comTypically:$29.28MSRP:$34.99Save $5.09
Clorox® Pool&Spa™ All-in-One® XtraBlue Chlorine Pool Chemicals Chlorinating Granules, 6 lb$42.63Online - WalmartTypically:$41.69MSRP:$44.99Save $2.36
Pool Mate 1-Quart 4-Pack Concentrated Pool Filter Cleaner, Made in USA$48.38Online - Amazon.comTypically:$47.21MSRP:$94.99Save $46.61