AquaChek Blue Biguanide Test Strip (25 count)

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AquaChek Blue tests for: Biguanide, Total Alkalinity and pH (25 per bottle) - 561625

1. Dip strip in water for 2 seconds. Do not shake off excess water.
2. Hold strip level, pad side up for 15 seconds.
3. Compare test strip to color chart on side of bottle.