API 5 In 1 Freshwater And Saltwater Aquarium Test Strips Size:4 Pack At the minimum 20mL dose

At the minimum 20mL dose the 1L bottle covers around 50 washes

Store below 25° away from direct sunlight

20mm Pure Boar Bristles

Recommended by many animal behaviorists

from dog leads to coffee cups

API 5 In 1 Freshwater And Saltwater Aquarium Test Strips Size:4 Pack At the minimum 20mL doseAPI 5 IN 1 TEST STRIPS are the quick and easy way to test the 5 most important aquarium 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.