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Ships within 48 hours · Estimated delivery Aug 15 - Aug 20
Regular Strength: Add 5ml per 37L
Frees up space inside the filter to include additional media if desired
It significantly raises redox
is washable and can be reused
Internal filters sit inside your aquarium
API Quick Testing Strips 5 in 1 Quantity:25 Pack Regular Strength: Add 5ml perAPI 5 in 1 Aquarium Test Strips are the quick and easy way to test the 5 most important water parameters pH, KH, GH, nitrate, and nitrite in one easy step. Simply dip one test strip directly into the aquarium, and compare the colors on the strip to the color card provided to help prevent invisible water problems that can be harmful to fish. Each kit includes detailed information on how to interpret the test results and correct unsafe water conditions.
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