Chemicals & Water Testing Products

174 deals

XtremepowerUS Saltwater Chlorine Generation System for Spas and Hot Tubs Up to 3,000 Gallons, Chemical-Free, Converts Any Spa to Saltwater System

−25%

New

XtremepowerUS3.6(40)

XtremepowerUS Saltwater Chlorine Generation System for Spas and Hot Tubs Up to 3,000 Gallons, Chemical-Free, Converts Any Spa to Saltwater System

Patio, Lawn & Garden4.3

XY-WQ Chlorine Floater, Floating Pool Chlorine Dispenser (Turtle)

Patio, Lawn & Garden4.1(52)

ITS 486201-KM Pool Exact EZ Photometer Master Pool Test Kit | 10 Parameters - F/C/T Chlorine, pH, Alkalinity, Calcium, Cyanuric, Copper, Salt, & Phosphate | 25 Tests All Parameters | NSF Certified

XtremepowerUS Inline Automatic Chlorinator Chemical Chlorine Feeder for Above Ground Pool, Inground Swimming Pool Chlorine Dispenser Tablet in-line Auto Chlorinator 3-Inch (Compatible with Cl200)

BlueBay Self-Cleaning Saltwater Chlorinator for Above Ground Pools – Automatic Timer, Adapters Included, for Pools Up to 7,000 Gallons, Pool Saltwater System, IPX5

Patio, Lawn & Garden2.6(7)

Salt Cell T-15 Replacement Fit for Hayward W3T-CELL-15, BLT15H, Upgraded Pool Salt Chlorinator Generator up to 40,000 Gallons Anti-UV Housing & Filter Chip

Pool FROG Model 6100 Cycler, All-in-One Sanitizing System

BioGuard Balance Pak 100-25lb Bag

Poolmaster Chlorine Dispenser for Swimming Pools and Spas, Yellow Butterfly

R171016 Pool Chlorinator fits Pentair Rainbow 300 chlorinator

Patio, Lawn & Garden2.5(10)

IC40 Salt Chlorine Generator Cell 40000 Gallon Replacement for In-Ground Pool Salt System Universal Fit for Most Control Panels Self-Cleaning with Cell Life Display EC-520555

Patio, Lawn & Garden1.5(8)

Salt Cell Saltwater Chlorine Generator Replacement for IC60 Pentair IntelliChlor,EC-521105 521105 Power Center,Salt Chlorinator System for Inground Pools up to 60,000 Gallons

Patio, Lawn & Garden1.0(2)

Salt Cell Replacement for Hayward T-9 / W3T-Cell-9, 25,000‑Gallon Pools

Patio, Lawn & Garden4.5

GLB 71205-SP-02BX Super Blue Pool Clarifier, 64-Ounces (Packaging May Vary)

HTH 42047, Pool Care 1" Chlorine Tabs, 5 lbs

INTEX Krystal Clear Saltwater Pool Chlorine System for Above Ground Pools up to 8,500 Gallons, Pool Cleaner with Automatic Timer and Self Cleaning

Saltwater Chlorinator System for Above Ground Pools up to 15,000 Gallons

Patio, Lawn & Garden4.0(50)

Salt Cell Replacement Fit for Hayward T-Cell-9 – 3+ Year Titanium Core

Patio, Lawn & Garden4.7

SpaChoice 2-Pounds Premium Alkalinity Increaser for Hot Tub

24 of 174 deals

Amazon Resale deals in Chemicals & Water Testing Products

Right now there are 174 deals from Amazon Resale, formerly Amazon Warehouse Deals, in Patio, Lawn & Garden › Pools, Hot Tubs & Supplies › Cleaning Tools & Chemicals › Chemicals & Water Testing Products. These are inspected returns and open-box items that Amazon sells and ships itself. WarehouseHunter puts each one next to its current new price, so you can see what you save at a glance.

Brands with the most offers here: Pool Mate, Clorox, HTH, Robelle, poolrx, FROG, Poolmaster, Swimline. Every item is a one-off, so the stock moves all day and new deals keep arriving.

Chemicals & Water Testing Products

Deals

XtremepowerUS Saltwater Chlorine Generation System for Spas and Hot Tubs Up to 3,000 Gallons, Chemical-Free, Converts Any Spa to Saltwater System

XY-WQ Chlorine Floater, Floating Pool Chlorine Dispenser (Turtle)

ITS 486201-KM Pool Exact EZ Photometer Master Pool Test Kit | 10 Parameters - F/C/T Chlorine, pH, Alkalinity, Calcium, Cyanuric, Copper, Salt, & Phosphate | 25 Tests All Parameters | NSF Certified

XtremepowerUS Inline Automatic Chlorinator Chemical Chlorine Feeder for Above Ground Pool, Inground Swimming Pool Chlorine Dispenser Tablet in-line Auto Chlorinator 3-Inch (Compatible with Cl200)

FROG Filter Mate, 4-Month Prefilled Mineral Sanitizer for Hot Tubs

FROG Serene Replacement Bromine Cartridges, 1 Pack

SpaGuard Enhanced Shock, 2 lb, Single Pack

EASYTEST 7-Way Pool Test Strips, 150 Strips Water Test for Hot tub and Spa

HTH 52036R, Pool Care Shock Advanced, 6 Pack

BlueBay Self-Cleaning Saltwater Chlorinator for Above Ground Pools – Automatic Timer, Adapters Included, for Pools Up to 7,000 Gallons, Pool Saltwater System, IPX5

Salt Cell T-15 Replacement Fit for Hayward W3T-CELL-15, BLT15H, Upgraded Pool Salt Chlorinator Generator up to 40,000 Gallons Anti-UV Housing & Filter Chip

Pool FROG Model 6100 Cycler, All-in-One Sanitizing System

BioGuard Balance Pak 100-25lb Bag

Poolmaster Chlorine Dispenser for Swimming Pools and Spas, Yellow Butterfly

R171016 Pool Chlorinator fits Pentair Rainbow 300 chlorinator

IC40 Salt Chlorine Generator Cell 40000 Gallon Replacement for In-Ground Pool Salt System Universal Fit for Most Control Panels Self-Cleaning with Cell Life Display EC-520555

Salt Cell Saltwater Chlorine Generator Replacement for IC60 Pentair IntelliChlor,EC-521105 521105 Power Center,Salt Chlorinator System for Inground Pools up to 60,000 Gallons

Salt Cell Replacement for Hayward T-9 / W3T-Cell-9, 25,000‑Gallon Pools

GLB 71205-SP-02BX Super Blue Pool Clarifier, 64-Ounces (Packaging May Vary)

HTH 42047, Pool Care 1" Chlorine Tabs, 5 lbs

INTEX Krystal Clear Saltwater Pool Chlorine System for Above Ground Pools up to 8,500 Gallons, Pool Cleaner with Automatic Timer and Self Cleaning

Saltwater Chlorinator System for Above Ground Pools up to 15,000 Gallons

Salt Cell Replacement Fit for Hayward T-Cell-9 – 3+ Year Titanium Core

SpaChoice 2-Pounds Premium Alkalinity Increaser for Hot Tub

Amazon Resale deals in Chemicals & Water Testing Products

Chemicals & Water Testing Products

Deals

XtremepowerUS Saltwater Chlorine Generation System for Spas and Hot Tubs Up to 3,000 Gallons, Chemical-Free, Converts Any Spa to Saltwater System

XY-WQ Chlorine Floater, Floating Pool Chlorine Dispenser (Turtle)

ITS 486201-KM Pool Exact EZ Photometer Master Pool Test Kit | 10 Parameters - F/C/T Chlorine, pH, Alkalinity, Calcium, Cyanuric, Copper, Salt, & Phosphate | 25 Tests All Parameters | NSF Certified

XtremepowerUS Inline Automatic Chlorinator Chemical Chlorine Feeder for Above Ground Pool, Inground Swimming Pool Chlorine Dispenser Tablet in-line Auto Chlorinator 3-Inch (Compatible with Cl200)

FROG Filter Mate, 4-Month Prefilled Mineral Sanitizer for Hot Tubs

FROG Serene Replacement Bromine Cartridges, 1 Pack

SpaGuard Enhanced Shock, 2 lb, Single Pack

EASYTEST 7-Way Pool Test Strips, 150 Strips Water Test for Hot tub and Spa

HTH 52036R, Pool Care Shock Advanced, 6 Pack

BlueBay Self-Cleaning Saltwater Chlorinator for Above Ground Pools – Automatic Timer, Adapters Included, for Pools Up to 7,000 Gallons, Pool Saltwater System, IPX5

Salt Cell T-15 Replacement Fit for Hayward W3T-CELL-15, BLT15H, Upgraded Pool Salt Chlorinator Generator up to 40,000 Gallons Anti-UV Housing & Filter Chip

Pool FROG Model 6100 Cycler, All-in-One Sanitizing System

BioGuard Balance Pak 100-25lb Bag

Poolmaster Chlorine Dispenser for Swimming Pools and Spas, Yellow Butterfly

R171016 Pool Chlorinator fits Pentair Rainbow 300 chlorinator

IC40 Salt Chlorine Generator Cell 40000 Gallon Replacement for In-Ground Pool Salt System Universal Fit for Most Control Panels Self-Cleaning with Cell Life Display EC-520555

Salt Cell Saltwater Chlorine Generator Replacement for IC60 Pentair IntelliChlor,EC-521105 521105 Power Center,Salt Chlorinator System for Inground Pools up to 60,000 Gallons

Salt Cell Replacement for Hayward T-9 / W3T-Cell-9, 25,000‑Gallon Pools

GLB 71205-SP-02BX Super Blue Pool Clarifier, 64-Ounces (Packaging May Vary)

HTH 42047, Pool Care 1" Chlorine Tabs, 5 lbs

INTEX Krystal Clear Saltwater Pool Chlorine System for Above Ground Pools up to 8,500 Gallons, Pool Cleaner with Automatic Timer and Self Cleaning

Saltwater Chlorinator System for Above Ground Pools up to 15,000 Gallons

Salt Cell Replacement Fit for Hayward T-Cell-9 – 3+ Year Titanium Core

SpaChoice 2-Pounds Premium Alkalinity Increaser for Hot Tub