All products

Pool Chlorine

Chlorine tablets, granules, shock and floating dispensers. Three-inch tablets suit feeders and floaters; granular shock is for weekly treatment.

Free shipping
Secure checkout
Easy returns

Pool Essentials

Pool Essentials Shock Treatment 24-Pack — Clears Cloudy Water, Fast-Dissolving

$118.06

Free shipping · 30-day easy returns

Sold out

WESHIPTO

WESHIPTO Pool Unit 20k-30k Gallons Black Replacement for Pool RX

$71.48

Free shipping · 30-day easy returns

CLEARVIEW

ClearView Calcium-Free Chlorine Granules (10 Lbs) – 99% Dichlor Pool Shock, Fast-Dissolving Stabilized Sanitizer for Pools, Spas & Hot Tubs

$75.59

Free shipping · 30-day easy returns

Sold out

Paxwrenx

Paxwrenx Solar Pool Ionizer – Up to 45,000 gal | 1lb Copper Anode | Saltwater Compatible

$83.81

Free shipping · 30-day easy returns

MAV AquaDoc

MAV AquaDoc Spa Chlorine for Hot Tubs – 2 lb (2 Pack) Fast Acting Granules | USA Made

$79.70

Free shipping · 30-day easy returns

XtremepowerUS

XtremepowerUS Inline Automatic Chlorinator — 3-Inch 9 lb Inline Chlorine Feeder for Pools (Cl200 Compatible)

$104.30

Free shipping · 30-day easy returns

XtremepowerUS

XtremepowerUS Off-Line Automatic Chlorinator Feeder – 9 lb Tank, Installation Kit for Above Ground & In-Ground Pools

$111.15

Free shipping · 30-day easy returns

Baquacil

Baquacil Sanitizer | Chlorine-Free Pool Sanitizer & Algistat (Half Gallon)

$76.96

Free shipping · 30-day easy returns

Yhaofu

Yhaofu CL220 Off-Line Automatic Chlorinator – 9 lb Capacity for Pools & Ponds

$97.51

Free shipping · 30-day easy returns

SpaChoice

SpaChoice 5-Pounds 2-Pack Premium Spa Sanitizing Granules – Chlorine for Hot Tubs (Made in USA)

$152.30

Free shipping · 30-day easy returns

CLOROX Pool&Spa

CLOROX Pool&Spa Active99 3-Inch Chlorinating Tablet - Kills Bacteria & Prevents Algae, 35 lb

$300.59

Free shipping · 30-day easy returns

LEISURE TIME

Leisure Time Spa 56 Chlorinating Granules, 5 lb, 2-Pack | Spa Sanitizer

$94.76

Free shipping · 30-day easy returns

SpaChoice

SpaChoice 2-Pounds 2-Pack Premium Spa Sanitizing Granules for Hot Tubs — Made in USA

$52.54

Free shipping · 30-day easy returns

Hot Tub Things

Hot Tub Things Chlorine Starter Kit – Spa & Jacuzzi Maintenance Essentials

$111.21

Free shipping · 30-day easy returns

Circupool

CircuPool Universal40 Saltwater Chlorinator – 40k Gallon Max Cell, Titanium, 4-Year Warranty

$1,775.61

Free shipping · 30-day easy returns

BioGuard

BioGuard Burnout 73 Pool Shock – 1 lb, Pack of 12 | Restores Sparkle & Clarity

$157.63

Free shipping · 30-day easy returns

GLB Supersonic 12-pack bottle for fast pool sanitizing and algae prevention.

GLB

GLB Supersonic 12 Pack (1 lb) – Fast-Acting Pool Sanitizer & Clarifier

$97.51

Free shipping · 30-day easy returns

POOLIFE

Poolife 3-Inch Cleaning Tablets (25 lb) – Stabilized Chlorinator for Pools

$201.63

Free shipping · 30-day easy returns

FROG

FROG Pool Model 6100 Cycler – All-in-One Mineral Sanitizing System for Pools Up to 25,000 Gallons

$382.39

Free shipping · 30-day easy returns

1NESS PRODUCTS

1NESS Chlorine Dioxide Kit – 2oz HCl 4% & 28% Sodium Solution for Portable Water Treatment

$71.09

Free shipping · 30-day easy returns

AutoPilot

AutoPilot PPC1 Replacement Salt Cell for Pool Pilot with Unions | RC35/22 Upgrade

$613.96

Free shipping · 30-day easy returns

briidea

Briidea WiFi Salt Chlorine Generator for Spas up to 2,000 gal | App Control

$275.59

Free shipping · 30-day easy returns

FROG

Flippin' FROG Floating Sanitizer System for 2,000–5,000-Gallon Pools | Mineral + Chlorine Cartridges | 4-Month Bundle

$147.87

Free shipping · 30-day easy returns

MAV AquaDoc

MAV AquaDoc Spa Chlorine Granules – 5lb Quick-Dissolving Hot Tub Sanitizer, USA Made

$97.51

Free shipping · 30-day easy returns

FROG

Flippin' FROG XL Floating Sanitizer System for 5,000–10,000 Gallon Pools | Minerals + Chlorine Floater

$116.63

Free shipping · 30-day easy returns

E-z Pool

EZ Pool Concentrated Pool Care Blend 10 lb with Test Strips | All-In-One Pool Maintenance Solution

$166.00

Free shipping · 30-day easy returns

BioGuard

BioGuard Smart Shock 2lb (6) — Fast-Acting Pool Shock for Clear Water | BioGuard Care System

$165.93

Free shipping · 30-day easy returns

Sold out

Qualirey

Qualirey Solar Pool Ionizer – Copper Ionizer for Pools Up to 35,000 gal

$75.59

Free shipping · 30-day easy returns

MAV AquaDoc

AquaDoc Inflatable Hot Tub Chemical Kit with Chlorine — Spa Starter & pH Control | MAV AquaDoc

$127.65

Free shipping · 30-day easy returns

HTS Turbo

HTS Turbo Oxidizer Shock – 5 lb Non-Chlorine Pool Shock (USA Made)

$83.81

Free shipping · 30-day easy returns

Aisdan

Aisdan Solar Pool Ionizer for Above Ground Pools — Copper Ionizer, 7-Color LED Night Light, Up to 45,000 Gal

$61.87

Free shipping · 30-day easy returns

Sold out

Enhulk

Enhulk Solar Pool Ionizer — Upgraded Floating Cleaner for Pools Up to 45,000 Gallons

$138.61

Free shipping · 30-day easy returns

E-z Pool

EZ Pool 5 lb Bucket - All-in-One Weekly Pool Care Solution

$84.73

Free shipping · 30-day easy returns

Sirona Simply Waterline Cleaner bottle pour helps prevent waterline buildup on spa shell

My Garden Pool

Sirona Simply Hot Tub Care Kit: Waterline Cleaner, Oxidizer & Non-Chlorine Sanitizer | My Garden Pool

$118.06

Free shipping · 30-day easy returns

FROG

FROG @ease Floating System for Swim Spas | Self-Regulating Sanitizer with Mineral & SmartChlor

$179.65

Free shipping · 30-day easy returns

CLOROX Pool&Spa

Clorox Pool&Spa Shock XTRABLUE Plus — Kills Bacteria & Algae, Swim-Ready in 15 Minutes (6-Pack)

$49.55

Free shipping · 30-day easy returns

FROG

FROG @Ease Replacement SmartChlor Cartridge for Swim Spas | Up to 3000 gal | 1 Pack

$63.21

Free shipping · 30-day easy returns

XtremepowerUS

XtremepowerUS XtremeClear 2-Pack 1-Inch Chlorine Tabs – Long-Lasting Stabilized Pool & Spa Sanitizer

$50.88

Free shipping · 30-day easy returns

XtremepowerUS

XtremepowerUS XtremeClear 5lbs 1-inch Chlorine Tabs – Pool, Spa & Hot Tub Sanitizer

$70.06

Free shipping · 30-day easy returns

FROG

FROG Jump Start for Hot Tubs - Start-Up Chlorine Shock (6 Pack) for up to 600 gal

$50.54

Free shipping · 30-day easy returns

Chlorine tablets, granules, shock and floating dispensers. Three-inch tablets suit feeders and floaters; granular shock is for weekly treatment.

More in Pool Chemicals & Water Testing · all categories