The AquaChek Yellow 4-in-1 Test Strips (SKU: 532105) provide fast, accurate water testing for pools and spas using chlorine sanitization. Designed for simplicity and reliability, these test strips measure the four most essential parameters for balanced, healthy water: Free Chlorine, pH, Total Alkalinity, and Stabilizer (Cyanuric Acid).

With a convenient flip-top cap that dispenses one strip at a time and results appearing in just seconds, AquaChek Yellow makes routine water maintenance quick, easy, and dependable. Recommended for twice-weekly testing, these strips help ensure clear, clean, and comfortable pool or spa water.

✅ Key Features

• 4-in-1 Testing: Measures Free Chlorine, pH, Total Alkalinity, and Stabilizer (CYA).
• Fast Results: Color changes develop in 15 seconds for quick water analysis.
• Easy-Use Flip-Top Bottle: Dispenses one strip at a time, reducing waste and contamination.
• Accurate & Reliable: Built with the same trusted diagnostic strip technology used in medical testing.
• Perfect for Chlorine Pools & Spas: Ideal for routine maintenance and new pool owners.
• Multilingual Instructions: Includes directions in 15 languages.
• 50 Strips per Bottle: Long-lasting supply for regular testing.

⚙️ Specifications

• Model: 532105
• Brand: AquaChek
• Tests For:
  • Free Chlorine: 0–10 ppm (sanitizer effectiveness)
  • pH: 6.2–8.4 (water balance)
  • Total Alkalinity: 0–240 ppm (buffer capacity)
  • Stabilizer (Cyanuric Acid): 0–300 ppm (chlorine stabilizer)
• Quantity: 50 test strips per bottle
• Use Frequency: Recommended 2× per week on both pool and spa
• Instructions: Included in 15 languages
  
• Includes: Color chart for easy comparison