How do I use these pool test strips?

Just dip and check—it’s that simple. Dip one test strip into your pool or spa water and remove it immediately. Hold the strip level (don’t shake off water) for 15 seconds, then compare the color pads to the chart on the bottle.

Do pool test strips expire?

Yes, AquaChek pool test strips expire 18 months from the date of manufacture. To ensure accuracy, always check the expiration date printed on the top of the bottle cap before use. Using expired strips may result in incorrect readings.

Why are there 50 test strips in each bottle?

Limiting the bottle to 50 pool test strips helps ensure you’re using fresh, accurate strips throughout the season—especially since water chemistry readings are most reliable when the strips are fresh.

Should I stock up on pool water test strips?

If you're testing your pool once a week as recommended a single bottle of 50 Yellow test strips is more than enough to last an entire swim season. There's no benefit to overstocking. Keep your bottle sealed and stored properly, and you'll be covered.

How should I store the pool test strips?

Keep the test strip bottle tightly closed in a cool, dry place, away from sunlight and moisture. Do not remove the desiccant packet inside—it helps preserve strip accuracy.

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Description

💧 Dive into crystal-clear confidence with every dip!

INSTANT CLARITY - Get accurate water chemistry results in just seconds—no waiting, no guesswork.
SEASON LONG SUPPLY - 50 easy-to-read strips per pack, designed to last through your entire pool season without compromise.
USER FRIENDLY DESIGN - Ergonomic flip-top dispenser bottle ensures quick, mess-free testing anytime, anywhere.
UV PROTECTION INSIGHT - Includes Cyanuric Acid testing to safeguard outdoor pools from chlorine loss due to sunlight.
QUADRUPLE PRECISION IN ONE DIP - Test Free Chlorine, pH, Total Alkalinity, and Cyanuric Acid simultaneously for comprehensive pool health.

AquaChek Yellow 4-in-1 Chlorine Test Strips deliver fast, reliable testing for Free Chlorine, pH, Total Alkalinity, and Cyanuric Acid, ensuring your pool or spa stays perfectly balanced. With 50 strips per pack and a user-friendly dispenser, maintain optimal water quality effortlessly all season long.

Specifications

ASIN	B003TQM9XS
Batteries Included?	No
Brand	AquaChek
Color	Yellow
Customer Reviews	4.6 4.6 out of 5 stars (13,677)
Date First Available	9 August 2012
Height	4 centimeters
Is Discontinued By Manufacturer	No
Item model number	511244
Length	10 centimeters
Manufacturer	Hach
Material Type	Plastic
Number of Items	1
Number of Pieces	50
Product Dimensions	7.62 x 2.54 x 2.54 cm; 40 g
Size	10x6x4 cm
Style	1-Pack
Usage	above-ground pool, in-ground pool, spa
Weight	0.04 Kilograms
Width	6 centimeters

Reviews

A**R

Great price, delivery a little slow but considering the price not really an issue

17.02.2020

J**N

These test strips seem to work much better and are far more accurate than other amazon ones. The cheap bulk 6, 7 or more in one tests always seem to be all over the place and don't align with my pool company testing. These are a bit more expensive but a 50 pack will last thru the full season - vs throwing away half after 90 days with the larger packs. They are easy to read, the colors stand out and they are consistently accurate for my pool. Highly recommend!

9.06.2025

V**�

Bien

16.09.2025

G**L

Bonne qualité

13.02.2026

S**A

Muy prácticas y fiables. Las tiras Aquaquek permiten comprobar rápidamente la calidad del agua de la piscina y del spa. Son fáciles de usar, con resultados claros y precisos en pocos segundos. El envase mantiene bien protegidas las tiras y resulta muy cómodo para un uso frecuente. Una compra muy recomendable para mantener el agua siempre en buen estado.

9.09.2025

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