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Best hot tub water testers - Holiday Sale 2025

Last Updated - December 14, 2025

1
Best Choice
10% Off

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Pawfly
10% Off

Pawfly 7 in 1 Digital Water Testing Kit, 50 Strips Hot Tub Test Kit, Digital Pool Water Tester for pH, Total Hardness, Total Chlorine, Free Chlorine, Total Alkalinity, Cyanuric Acid & Bromine

Pawfly

$179.99

$199.99
(10% Off)

More Details
Main highlights
- Wide Application: Master water testing anywhere – swimming pools, hot tubs, spas, and more. Whether residential or commercial systems, the digital water testing kit rises to meet every challenge (NOTE: Not applicable to tap water, drinking water, etc.).
- Warm Tips: US standard pool water ranges fall within the test ranges above. Test with confidence! If any parameter exceeds the testing range, the maximum value will be displayed; if below, the minimum value appears – that’s time to treat your pool water
- Regular Test: Equipped with 50 test strips, the digital pool water tester ensures consistent water monitoring throughout the season. Up to 100 test records can be saved for quick comparison. Effectively guarantee your water stays perfectly balanced
- Professional & Handy: Forget fumbling with color matching! This digital hot tub water tester provides clear numerical readouts and foolproof operation. Powered by 3 AA batteries (Not Included), it’s portable and ready to use wherever you need it
- High Accuracy: Precise test ranges: pH: 6.2-8.4; TH: 100-500 ppm; TCL: 0-10 ppm; FCL: 0-10 ppm; Alk: 40-180 ppm; CyA: 30-150 ppm; Br: 0-20 ppm. This digital pool test kit detects minute water changes before they become problems. No more guesswork needed
- Easy to Use: Instant testing without any hassle! Immerse a test strip in the water for 2 seconds, press the “ok” button on the tester, wait for the countdown to reach 0, shake off the excess water from the strip, insert it, and get your results in seconds
- 7-in-1 Test Kit: Accurately analyze 7 water parameters in one device – pH, total hardness (TH), total chlorine (TCL), free chlorine (FCL), total alkalinity (Alk), cyanuric acid (CyA), and bromine (Br). Keep water safe for swimming, soaking, or drinking
$179.99
$199.99 (10% Off)
2

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

MAV AquaDoc

Eagle Ray Digital Water Testing Kit for Spa & Pool - Digital Hot Tub Water Tester by AquaDoc with Analyzer & Hot Tub Test Strips for Chlorine, Bromine, Total Hardness, pH and More

MAV AquaDoc

$174.99

More Details
Main highlights
- Works for both Hot Tubs & Pools. Tests the 7 most important parameters in balancing your water: Total Chlorine, Total Hardness, Free Chlorine, Cyanuric Acid, Total Alkalinity, Bromine, and pH Levels. Comes with 30 pool and spa test strips.
- This spa and pool water testing kit is simple to use and delivers fast results. Just insert your test strip and let it do its analysis. It takes the guesswork out of reading your pH test strips.
- The only digital water tester of its kind, brought to you by a pool & spa chemical brand - AquaDoc.
- High-tech water monitors with complicated apps sound amazing, but when you look at their track record for delivering results, you'll find they often leave you with an incorrect analysis. Our digital spa test kit cuts out the fluff and delivers reliable results.
- Are you tired of figuring out test strips? Insert them into the Eagle Ray Digital Water Test Kit and save yourself a trip to the hot tub supply store. Eagle Ray gives you directional numbers to help you balance your spa & pool.
$174.99
3

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

EASYTEST

EASYTEST 7-Way Pool Test Strips, 150 Strips Water Chemical Testing for Hot tub and Spa, Accurate Test Bromine, Total Alkalinity, pH, Free Chlorine, Total Hardness, Cyanuric Acid, and Total Chlorine

EASYTEST

$13.99

More Details
Main highlights
- TIPS FOR ACCURATE RESULTS: Keep wet fingers away from the strips. Read under natural daylight for best results.Store in a cool dry place.The expiration is 2 years from manufacture. Once opened, use up in 90 days.
- HIGH ACCURACY POOL TESTING STRIPS: High-quality fiber paper and no-bleeding pads selected after repeated trials by R&D personnel. No need to shake off excess water and follow the instructions easily, you will to get the accurate results.
- AFFORDABLE 150 STRIPS: This water chemical testing kit contains 150 test strips. Enough balanced for your swimming pool, hot tub, spa and other water testing. At least testing twice a week is recommended to keep your pool sparkling clean and safe.
- ACCURATE AND FAST TESTING: Just soak in water for 1 seconds; Then take it out,no need to shake excess water off and hold the test strip horizontally for 15 seconds; Compare with the color chart on the bottle to obtain clear and accurate water quality results.
- 7 IN 1 POOL TEST KIT: Test all necessary parameters for your swimming pool at 1 time, such as Bromine, Total Alkalinity, pH, Free Chlorine, Total Hardness, Cyanuric Acid, and Total Chlorine. Check water quality at any time you want.
$13.99
4
Best Value
14% Off

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

LIME POOL
14% Off

LIME POOL 162 Pcs 7-Way Hot Tub Pool Test Strips - Accurate Readings in 15 Seconds

LIME POOL

$11.99

$13.99
(14% Off)

More Details
Main highlights
- SKIN-SAFE POOL – Maintain perfectly balanced water to help prevent irritation, dry skin, and common water-related discomforts.
- PROPERLY USE FOR THE BEST RESULT - Dip in the water for 2 seconds, then hold the strips horizontally for 45 seconds. Don't shake off the water or let the colors. Then check the result agaist sunlight for best result.
- PRO TIPS: 1) Keep strips dry—no wet fingers. 2) Read results in natural daylight. 3) Store in a cool, dry place. 4) Expires 2 years from manufacture. 5) Use within 90 days of opening. 6) Always close lid tightly to block air.
- LAB-TESTED ACCURACY – Our pool test strips are rigorously tested for precision, delivering ±3% accuracy. If in doubt, compare results with a certified lab test before leaving feedback. Please note: If our strip gives a different result than an uncertified test, it's very likely the other test is inaccurate.
- 7 IN 1 – Easily check Total Hardness (TDS), Free Chlorine, Bromine, Total Chlorine, pH, Alkalinity & Cyanuric Acid—all with one easy-to-use strip.
- 162 STRIPS BULK PACK – Get more for your money with a bulk pack —ideal for families and pool service pros.
$11.99
$13.99 (14% Off)
5
10% Off

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

JNW Direct
10% Off

Hot Tub and Pool Test Strips - 6in1 Quick & Accurate Hot Tub, Spa, Pool Test Strips - 100 Water Test Strips, Water Test Kit with E-Book - Test Chlorine, Bromine, pH, Hardness, Alkalinity - JNW Direct

JNW Direct

$11.69

$12.99
(10% Off)

More Details
Main highlights
- TIP FOR USE: 1. Keep wet fingers out of the bottle 2. Close the cap tightly between each use 3. Store in a cool, dry place away from humidity 4. Keep away from light and moisture 5. Do not remove the desiccant packet 6. Strips have a 2-year expiration date from the manufacture date (see bottom of box). Use strips within 90 days of opening the bottle
- QUICK & EASY TO USE: Testing your pool, spa and hot tub water is very quick and easy with our test strips. Simply dip the strip into the water for 2 seconds, hold strip horizontally for 30 seconds, and compare with the color chart on the bottle to obtain accurate water results in just seconds
- FREE E-BOOK: Our pH strips for hot tub and spa water include an eBook packed with important info to help you achieve healthy spa levels from the comfort of your home
- AFFORDABLE 100 6-IN-1 TEST STRIPS: Get more for your money with our pool, spa and hot tub test kit that contains 100 test strips, providing an affordable option for regular pool, spa and hot tub maintenance. Keep your water clean, healthy, and enjoyable with our 6-in-1 pool and hot tub test strips that test your water for Hardness, Chlorine, Bromine, Free Chlorine, pH, and Alkalinity
- ACCURATE & RELIABLE: Our pool & hot tub testing kit is highly accurate and reliable, giving you peace of mind that your spa and hot tub water is safe and healthy for use. Recommended use is at least twice a week to keep your water clean and safe
$11.69
$12.99 (10% Off)

Best hot tub water testers - Holiday Sale 2025

Pawfly 7 in 1 Digital Water Testing Kit, 50 Strips Hot Tub Test Kit, Digital Pool Water Tester for pH, Total Hardness, Total Chlorine, Free Chlorine, Total Alkalinity, Cyanuric Acid & Bromine

Eagle Ray Digital Water Testing Kit for Spa & Pool - Digital Hot Tub Water Tester by AquaDoc with Analyzer & Hot Tub Test Strips for Chlorine, Bromine, Total Hardness, pH and More

EASYTEST 7-Way Pool Test Strips, 150 Strips Water Chemical Testing for Hot tub and Spa, Accurate Test Bromine, Total Alkalinity, pH, Free Chlorine, Total Hardness, Cyanuric Acid, and Total Chlorine

LIME POOL 162 Pcs 7-Way Hot Tub Pool Test Strips - Accurate Readings in 15 Seconds

Hot Tub and Pool Test Strips - 6in1 Quick & Accurate Hot Tub, Spa, Pool Test Strips - 100 Water Test Strips, Water Test Kit with E-Book - Test Chlorine, Bromine, pH, Hardness, Alkalinity - JNW Direct

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