Red Sea Fish pHarm pH Fresh-Lab Tests (pH)

100 easy-to-use tests for accurate measurement of high range pH (7.4 - 8.6) in freshwater aquariums. Includes liquid testing agent, easy-to-read color charts, test tube, and instructions.pH Indicator, 0.51 fl. oz.test tube with ml markings clearly marked and stoppercolor scaleseasy to follow instructions