Suggested searches

Plant-based protein powders
Vegan leather handbags
Bedroom decor
Waterproof jackets
Hoodies

Learn more about how we use your data to personalize your experience and ads. Recommendations are for informational purposes only.

National Discount Pool Supplies, LLC

Products

Products

National Discount Pool Supplies, LLC

HydroTools 8445 Solution #5 Total Alkalinity Refill

4.5 (1,234)

Sold 100+ last 30 days

20% off first order

$7.99

Color

Black

Quantity

Product description loading

Product description loading

This is the product description text that will appear here.

You might also like

National Discount Pool Supplies, LLC

Swimline 5-Way Replacement Test Solutions

Hydrotools Parts

Model 8440 Four in One Pool Test Kit

National Discount Pool Supplies, LLC

Swimline Clear Hose Replacement for Swimming Pool Fountains

Swimline HydroTools Large Capacity Pool/Spa Floating Chemical Dispenser for 1-3 Tablets | 8725"

Ever-Klear Pool Supply

Floating Dispenser | Swimline | HydroTools Large Dispenser | 1 To 3 Tablets | For Pools And Spas

ITS Europe

Safe Swim Meter Reagent Total Alkalinity (For Use With Safe Swim Digital Photometer ONLY)

Hydrotools Parts

Part 8583 Universal Pool Fountain Complete Adapter Kit

Swimmingpoolpartsonline.com

4.6

(11)

87-100-2315

87-100-2315

27-102-1126

TFtestkits

R-0007 Total Alkalinity Reagent

Nano Clean Water

Safe Swim Meter Reagent pH (NCW-486639-II-IES)

National Discount Pool Supplies, LLC

Alkalinity Up 5 lbs. for Pools and Spas

17% off

LeisureConcepts

AquaCheck Chlorine, pH, Alkalinity and Stabilizer test strips, bottle of 50

National Discount Pool Supplies, LLC

HydroTools 8442 Solution #2 pH Test Kit Refill 1 oz.

This Test Kit Refill is for use with Hydrotools Model 8410 and 8420 test kits. Included: One (1) each ½ ounce bottle of Phenol Red pH level test solution and One (1) each ½ ounce bottle of OTO Chlorine/Bromide level test solution.

43% off

American Sale

Water Test Kit Refill - Replacement OTO Chlorine Test and Phenol Red Solutions

9228 swimline floating penguin pool and spa thermometer

15% off

National Discount Pool Supplies, LLC

HydroTools 9228 Penguin Thermometer

Pelican Shops

4.8

(2.4K)

Dolphin M600 Pool Cleaner with caddy and Enhanced Warranty

Dolphin M600 Pool Cleaner with caddy and Enhanced Warranty

Frog Leap Torpedo pac (6 pack) - Pelican Shops Ski, Pool & Patio

Maytronics Dolphin-S2000

Dolphin M550 Robotic Pool Cleaner

Swimline HYDROTOOLS Ultra Pool Replacement Cartridge Filter, 150 Sq. Ft., Blue - VMInnovations

VMInnovations

Swimline HYDROTOOLS Ultra Pool Replacement Cartridge Filter, 150 Sq. Ft., Blue

Blue container holding the water testing kit for your pool. Instructions are printed on the inside of the lid.

40% off

American Sale

Swimline Deluxe Two-Way Pool Water Test Kit

National Discount Pool Supplies, LLC

Hydrotools by Swimline ladder bumpers

5% off

Nano Clean Water

Safe Swim® Meter - Digital Testing for Pools & Hot Tubs - Free Chlorine, Combined Chlorine, Total Chlorine, Bromine, Copper, pH, & Total Alkalinity. (Safe Swim Digital Meter) (NCW-486206-IES)

PoolWaterLAB Total Alkalinity reagent tablets (50) for pool
photometer testing, front of pack

13% off

PoolWaterLAB

Alkalinity-M Reagent Tablets (50) – for Pool Photometers

(10)

18% off

National Discount Pool Supplies, LLC

Hydrotools Salt Water Chlorinator with 13 XL Titanium Plates - Ideal for 40,000 Gallon Pools

$978.99$1,199.99

eXact Micro Strips - Alkalinity Total [100/bottle]

Fresh Water Systems

eXact Micro Strips - Alkalinity Total (100/bottle)

Yardandpool.com

4.8

(1.4K)

United Chemical Pool Stain Treat Spotting Bag - 4 oz - Yardandpool.com

United Chemical Pool Stain Treat Spotting Bag - 4 oz - Yardandpool.com

Aquador Lid - Wide Mouth Skimmers - Yardandpool.com

LaMotte Insta-Test 3 Plus - 50 Strips - Yardandpool.com

Jack's Magic The Magenta Stuff - 1 qt - Yardandpool.com

Hydrotools Parts

Model 8450 Replacement OTO Chlorine Test and Phenol Red Solutions in 1/2 Ounce Bottle

24% off

National Discount Pool Supplies, LLC

Alkalinity Plus for Pools & Spas 5 lbs.

TCP Global

Premium 5-Way Swimming Pool & Spa Test Kit - Tests Water for pH, Chlorine, Bromine, Alkalinity, Acid Demand, Maintain Chemical Levels

Hydrotools Parts

Part 8585 Swimming Pool Fountain Replacement Clamp Set

National Discount Pool Supplies, LLC

Hydrotools Pool Salt Replacement Cell for Water Chlorinator Systems for Pools Up to 40,000 Gallons | 13 XL Titanium Plates, Hayward Compatible, Easy Install Above & Inground Pool Generators

Hydrotools Parts

Model 714061 Hydro-Flo AG .45 HP (.45 THP) Pump, Vertical Discharge

(1)

Copper, pH, Total Alkalinity Test Strips [50 strips per bottle]

Fresh Water Systems

Copper, pH, Total Alkalinity Test Strips (50 strips per bottle)

National Discount Pool Supplies, LLC

Hydrotools Pool Salt Replacement Cell for Water Chlorinator Systems for Pools Up to 15,000 Gallons | 7 Titanium Plates, Hayward Compatible, Easy Install Above & Inground Pool Generators

OxygenPools

4.9

(21)

ITS Europe

Safe Swim® Meter - Digital Testing for Pools & Hot Tubs - Free Chlorine, Combined Chlorine, Total Chlorine, Bromine, Copper, pH, & Total Alkalinity. (Safe Swim Digital Meter)

(1)

Hydrotools Parts

Model 8455 Replacement Swimline Pool Test Kit Solutions for Model 8440 Test Kit

English cottage touches

English cottage touches

Collected classics with country-house charm

Swimline Hydrotools 9240 Thermometer

National Discount Pool Supplies, LLC

HydroTools 9240 Jumbo Pool Thermometer

Alkalinity liquid reagent bottle for total alkalinity testing in pools.

13% off

PoolWaterLAB

Alkalinity Liquid Reagents Alka-M – 110 Tests

Pool Guy Supply

Water Test Kit Refills

(4)

18% off

National Discount Pool Supplies, LLC

Alkalinity Plus for Pools & Spas 10 lbs.

44% off

Mrosupreme.com

JED Pool Tools Pool Maintenance Kits 0.5 oz

Pool Guy Supply

Water Test Kits

HydroTools 9201 Color View Pool Thermometer display box featuring assorted red, purple, blue, and yellow plastic tube thermometers for spas and swimming pools

15% off

National Discount Pool Supplies, LLC

HydroTools 9201 Color view Pool Thermometer

TFtestkits

R-0008 Total Alkalinity Reagent

(1)

Poolweb

PoolMaster 5-Way Test Kit

(2)

National Discount Pool Supplies, LLC

HydroTools 8460 OTO Solution 1/2 fl. oz. refill

15% off

National Discount Pool Supplies, LLC

HydroTools 8420 Deluxe Two Way Pool Spa Chlorine Water Test Kit

12% off

National Discount Pool Supplies, LLC

Hydrotools 87625 Salt Water System for Pools up to 25,000 gallons

U.S. Art Supply

Premium 5-Way Swimming Pool & Spa Test Kit - Tests Water for pH, Chlorine, Bromine, Alkalinity, Acid Demand, Maintain Chemical Levels

Bar cart basics

Bar cart basics

Carts, glassware, and bottle storage.

15% off

National Discount Pool Supplies, LLC

Hydrotools by Swimline Hand-Held Scrub Brush

Aquarius Water pH digital meter for water testing with 0.01 pH accuracy, showing a digital display and calibration buttons.

26% off

Alkaline World

pH Digital Meter with 0.01 ph accuracy

(5)

Poolweb

Taylor Drop Test Alkalinity Total - K-1726

hydrotools 9298B Scoop Thermometer for pools and spas

National Discount Pool Supplies, LLC

HydroTools 9298B Scoop Thermometer

Hydrotools Parts

Model 8805 Vinyl Repair and Patch Kit, 1 Ounce

20% off

Hydrotools Parts

Model 8800 Vinyl Repair Patch Kit

Hydrotools Parts

Model 8441 HydroTools Solution #1 Chlorine Test Kit Refill

National Discount Pool Supplies, LLC

Hydrotools 8470 Replacement Phenol Red Water Testing Solution 1/2 oz.

Nano Clean Water

Safe Swim Meter Reagent Total Alkalinity (NCW-486641-IES)

37% off

American Sale

Swimline HydroTools Premium 100 sq. ft. Replacement Cartridge Filter 77100

44% off

American Sale

Swimline HydroTools Premium 50 sq. ft. Replacement Cartridge Filter 77050

(1)

25% off

National Discount Pool Supplies, LLC

Hyrdotools Spa Skimmer with 12" Aluminum Handle

Hydrotools Parts

Part 8590 Swimming Pool Fountain Clear Hose

The curated dining table

The curated dining table

Dinnerware, glasses, and flatware.

National Discount Pool Supplies, LLC

Hydrotools Automatic Suction Swimming Pool Vacuum Cleaner

THE BBQ STORE PR

Jed Pool Tools Test Kit Refill, 2-Way

Aquarius Water chlorine and pH water test kit showing test strips and color comparison chart for water quality testing.

Alkaline World

Chlorine & pH Water test Kit

(1)