How do API 5-IN-1 TEST STRIPS work?
Test strips are a fast and easy way to test your aquarium water parameters! Simply dip a strip into your water and swirl two times, then remove the strip and hold flat to evaluate color changes. Compare these colors to the color chart included with API 5-IN-1 TEST STRIPS, and treat your water accordingly.
How accurate are API 5-IN-1 TEST STRIPS?
API 5-IN-1 TEST STRIPS are highly accurate in measuring water parameters when used as directed.
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