Central Drug House [P] Ltd supplies PH Test/ Indicator Paper. Central Drug House [P] Ltd is an ISO 9001: 2000 recognised company manufacturing a wide range of chemicals like Buffers, Clinical / Diagnostic Reagents, Balanced Salt Solutions, Amino Acids, Dry solvents, Laboratory Cleaning Agents, Media Supplements and Derivatives. The PH Test/ Indicator Paper is available in roll and strip form and is suitable for quick measuring a variety of things like water, urine, saliva, food etc. The PH Test/ Indicator Paper comes in ready to use form in reliably packed plastic box.