National Discount Pool Supplies

Discount In Ground Pool Liners, Virgin Vinyl In Ground Pool Liner,

Shop for Replacement Pool and Spa Cartridge Filters Online. Get the lowest price on a direct replacement to OEM Cartridge Filters for your pool or spa!

Get discount prices on top-name brands of hot tub chlorine and bromine. save on all your favorites including 1" chlorine tablets and bromine tablets!

National Discount Pool Supplies Home Page

Custom Safety Pool Covers

Invest in the Highest-Quality and Longest-Lasting Custom Safety Cover for Your Swimming Pool Manufactured by Yard Guard and Shipped Fast.

Chlorine & Pool Shock

Ensure a sparkling clean pool all summer long with our complete range of pool essentials, including tri-chlor, di-chlor, pool shock, conditioner, and more!

Shop Deals on Chlorine

Pool Frog & Frog Leap

Find Pool Frog & Frog Leap Systems Including Replacement Frog Chemicals.

Browse Pool Frog and Frog Leap

Pool Steps & Ladders

Get Exclusive Deals Online for Vinyl Works and Blue Torrent Above Ground Pool Steps & Ladders.

Starting at $149.99

Low-Price Filter Systems

Sand & Cartridge Filter Systems designed to deliver unparalleled performance and value, guaranteeing pristine water for both above-ground and inground pools.

Shop Filter Systems

Featured Products

Waterway 520-4070 TWM-30 25 Sq Ft Cartridge Filter System great for Intex pools — Quick View Add to Cart

Waterway 520-4070 TWM-30 25 Sq Ft Cartridge Filter System great for Intex pools — Quick View Add to Cart

Waterway TWM 25 sq. ft. Cartridge Filter System with Fully Rated Pool Pump - Ideal for Intex Pools

$249.99

Waterway Plastics

25 lbs. 3" Giant Chlorine Tablets for Swimming Pools and Spas — Quick View Add to Cart

25 lbs. 3" Giant Chlorine Tablets for Swimming Pools and Spas — Quick View Add to Cart

Giant 3 Inch Chlorine Tablets, 25 lbs. - Stabilized 99% Tri-Chloro

$118.99

Baleco

Waterways Hi-Flo 1 Horse Power 2-Speed Above Ground Pool Pump — Quick View Options

Grey Waterway Above Ground Hi-Flo Pump — Quick View Options

Waterways Hi-Flo 1 HP 2-Speed Above Ground Pool Pump

$324.99

Waterway Plastics

Natural Chemistry Pool First Aid 2 Liter — Quick View Add to Cart

Natural Chemistry Pool First Aid 2 Liter — Quick View Add to Cart

Natural Chemistry Pool First Aid 2 L. (67.6oz)

$29.99

Natural Chemistry

Poolife NST Prime Chlorine Tablets - Non Stabilized 9lb — Quick View Options

Poolife NST Prime Chlorine Tablets - Non Stabilized 9lb — Quick View Options

Poolife NST Prime Tablets

$67.99 - $254.99

Poolife

Hydrotools Salt Water Chlorinator with 7 Titanium Plates - Ideal for 15,000-Gallon Pools — Quick View Add to Cart

Hydrotools Salt Water Chlorinator with 7 Titanium Plates - Ideal for 15,000-Gallon Pools — Quick View Add to Cart

Hydrotools Salt Water Chlorinator 7 Ti Plates for 15K Gallon Pools

$628.99

Swimline

Swimline Americana Peace Sign Island — Quick View Add to Cart

Swimline Americana Peace Sign Island — Quick View Add to Cart

Swimline Americana Peace Sign Island

$37.99

Swimline

Pool Frog Wake-up for pool opening — Quick View Add to Cart

Pool Frog Hibernation for pool closing — Quick View Add to Cart

FROG® Leap® Pool Wake Up! & FROG® Leap® Pool Hibernation

$69.95

Frog

Replacement Pool Pump Hayward SSP — Quick View Add to Cart

Replacement Pool Pump Hayward SSP — Quick View Add to Cart

Blue Torrent Typhoon 1.5 HP 48-Frame In-Ground Pool Pump - Hayward Super Pump Replacement

$389.99

Blue Torrent

Waterway Above Ground Hi-Flo Pump, 1 HP Single Speed — Quick View Options

standard and twist lock plug options — Quick View Options

Waterway Hi-Flo 1 HP 1-Speed Above Ground Pool Pump

$229.99

Waterway Plastics

Haviland ProTeam Supreme Plus 10lb. — Quick View Options

Haviland ProTeam Supreme Plus 20lb. — Quick View Options

ProTeam Supreme Plus: Pool Water Enhancer

$52.99 - $185.99

Proteam

Poolife Super AlgaeBomb 60 Algaecide — Quick View Add to Cart

Poolife Super AlgaeBomb 60 Algaecide — Quick View Add to Cart

Poolife Super Algae Bomb 60 Algaecide - 32 oz. Bottle

$37.99

Poolife

Most Popular Products

Baquacil Sanitizer and Algistat — Quick View Add to Cart

Baquacil Sanitizer & Algistat (Step 1)

$53.99

Baquacil

Baquacil pool shock — Quick View Options

Baquacil Oxidizer — Quick View Options

Baquacil Oxidizer Case of 4 Gallons (Step 2)

$116.99

Baquacil

Baquacil CDX Half Gallon Bottle — Quick View Add to Cart

Baquacil CDX (Step 3)

$49.99

Baquacil

Baquacil Algicide — Quick View Add to Cart

Baquacil Algicide

$26.99

Baquacil

New Products

Yard Guard 8' Extension Straps for Safety Covers — Quick View Add to Cart

Yard Guard 8' Extension Straps for Safety Covers

$16.50

Hinspergers

POOL FROG® Chlorine Bac Pac 12-Pack — Quick View Add to Cart

POOL FROG® Chlorine Bac Pac 12-Pack — Quick View Add to Cart

POOL FROG® Chlorine Bac Pac 12-Pack

$359.40

Frog

POOL FROG® Chlorine Bac Pac 6-Pack — Quick View Add to Cart

POOL FROG® Chlorine Bac Pac 6-Pack — Quick View Add to Cart

POOL FROG® Chlorine Bac Pac 6-Pack

$179.70

Frog

POOL FROG® Chlorine Bac Pac 01-03-5880 3-Pack — Quick View Add to Cart

POOL FROG®Chlorine Bac Pac 3-Pack

$89.85

Frog

Doughboy Return Fitting U Style Gasket Replacement — Quick View Add to Cart

Doughboy Return Fitting U Style Gasket Replacement — Quick View Add to Cart

Doughboy Return Fitting U Style Gasket Replacement

$9.99

Doughboy

Dougboy Upper Face Plate U Style Gasket — Quick View Add to Cart

Doughboy Upper Face Plate U Style Gasket

$14.99

Doughboy

pH Minus 20 lbs. - Swimming Pool or Spa Water pH Decreaser — Quick View Add to Cart

pH Minus 20 lbs. - Swimming Pool and Spa Water pH Decreaser

$54.99

Baleco

pH Minus 3 lbs. - Swimming Pool or Spa Water pH Decreaser — Quick View Add to Cart

pH Minus 7 lbs. - Swimming Pool and Spa Water pH Decreaser

$28.99

Baleco

Recent Posts

The Best Pool Algae Prevention Strategies and Treatments for Springtime Pool Opening

Posted by National Discount Pool Supplies E-Commerce Team on Mar 1st 2024

The Best Pool Algae Prevention Strategies and Treatments for Springtime Pool Opening

As the winter frost melts away and spring blooms anew, it's time to prepare our pools for the upcomi …

Step-by-Step Guide to Opening Your Swimming Pool in the Spring

Posted by Brett L. on Feb 20th 2024

Step-by-Step Guide to Opening Your Swimming Pool in the Spring

Opening your pool correctly in the spring is crucial for maintaining water quality, preventing …

Unlocking Summer Savings: Expert Energy Efficiency Advice for Operating Your Pool or Spa

Posted by Brett L. on Feb 20th 2024

Unlocking Summer Savings: Expert Energy Efficiency Advice for Operating Your Pool or Spa

As the summer sun blazes overhead, owning a pool or spa becomes a coveted oasis for beating the heat …