AquaChek Yellow 4-In-1 Chlorine Test Strips, 50 Strips per Bottle | 511242A
AquaChek

AquaChek Yellow 4-In-1 Chlorine Test Strips, 50 Strips per Bottle | 511242A

4.7 ★★★★★★ (434) ▾
$13.99
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$9.99 flat shipping on orders under $100.
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SKU:
511242A

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About This Item

AquaChek Yellow 4-in-1 Test Strips

Tests for Free Chlorine, Cyanuric Acid, pH and Total Alkalinity

Provides Test Results in seconds!

To keep your pool at its best, test at each end at least twice a week, and test your spa before each use

Comes with complete instructions in multiple languages

Features and Benefits:

  • Tests for free chlorine, ph, total alkalinity and cyanuric acid
  • Free chlorine is "good" chlorine that is still able to keep your pool fresh
  • Ph refers to the intensity of acid or alkaline materials in your water
  • Total alkalinity measures the amount of alkaline substances in your water
  • Cyanuric acid makes chlorine more stable when exposed to the sun
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About AquaChek

Testing your pool or spa water shouldn't feel like a chemistry exam. AquaChek helped pioneer the dip-and-read test strip, giving pool owners fast, accurate answers in seconds — no drops, no messy reagents, no guesswork. AquaChek is made by Hach, a world leader in water analysis since 1933, and is backed by more than 35 years of dedicated water-testing expertise. That pedigree is why AquaChek strips are trusted by homeowners, service technicians, and pool professionals around the world. From 7-way pool strips that read pH, chlorine, alkalinity, hardness, and cyanuric acid in a single dip, to specialty strips for salt pools and spas, AquaChek makes it easy to keep your water balanced, safe, and swim-ready — so you spend less time testing and more time enjoying the water.

Why We Trust AquaChek
- Backed by Hach, a world leader in water analysis since 1933
- More than 35 years of water-testing expertise
- Fast, easy, accurate results in seconds — no drops, no guesswork
- Trusted by homeowners, service technicians, and pool pros worldwide

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