It can test freshwater tank, pond or nature aquarium of reef tank. An aquarium's happy life stars from here. PH test(I)Introduction: PH value is an important factor in water quality and has a decisiveimpact on creatures. Different creatures need different PH value. An unsuitablePH value may cause fish's illness or death.PH(I) test kitContents:1x22ml test reagentTest vialColor scaleInstructions & Recommendations

PH(I) test kit