Amazon.com: JNW Direct pH Test Strips, 150 Urinalysis and
EASY TO TEST : Immerse the strip into the urine. Take the strip out after 3 seconds. Lay the strip flat. Read results in 5 minutes Immerse the strip into the urine. Take the strip out after 3 seconds. Lay the strip flat. Read results in 5 minutes. Over 99% accurate at detecting your LH surge Each test is sealed in individual pouch
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