Tub Test Strips, Clear Water Spa & Hot Tub Test Strips, 50 Count - 3-in-1 Accurately Measures Free Chlorine, PH & Total Alkalinity for Pools, Spas, Hot Tubs.

• Economical 7-in-1 strips for weekly pool or spa testing; Maintain balanced water for a safe, comfortable swim environment
• Get fast results in 15 seconds for pH, Alkalinity, and Chlorine/Bromine; Simply dip, wait, and compare to the color chart
• Premium test pads on quality paper ensure clear, reliable readings without messy water drips
• Monitor key levels to prevent eye/skin irritation, protect pool equipment, and ensure effective sanitizer performance
• Includes 50 test strips; Store in a cool, dry place with dry hands to maintain long-lasting accuracy

Take the guesswork out of pool care! Our professional-grade test strips deliver fast, accurate results for the three most critical water parameters—Free Chlorine, pH, and Total Alkalinity—ensuring your above-ground pool or hot tub is always safe, balanced, and crystal clear.