7 in 1 Hot Tub Test Strips, 150 Strips Pool Test Strips for Swimming Pool & Spa, Accurately Test pH, Free C...

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【7 in 1 Test Strips Hot Tub Spa】Upgraded 7 in 1 hot tub test strips detect 7 key water indicators.The 150 test strips hot tub spa fully meets your needs throughout the summer. Effectively keep your pool, hot tub and spa water safe, clean and crystal clear with just one strip · 【Comprehensive, Precise and Efficient】7 in 1 pool test strips cover all essential testing items: total hardness, free chlorine, bromine, total chlorine, pH, total alkalinity and cyanuric acid. Made of high-quality colour fast fibre paper and strictly lab tested to deliver stable, accurate and reliable test readings every time · 【Perfect for Multiple Usage Scenarios】Widely applicable to hot tub test, swimming pool test and spa test. Perfect for daily routine use, chlorine test strips and bromine test strips hot tub can easily satisfy the testing demands of different scenarios · 【Efficient Dip Test Hot Tub】Take hot tub testing strips with dry hands, dip spa test strips in water for 2 seconds, take swimming pool tes