Developed in cooperation with Global Rivers Environmental Education Network (GREEN). This compact kit provides a simple and economical method of testing well water or naturally flowing water for 7 basic water quality parameters: Coliform screening, temperature, turbidity, pH, dissolved oxygen, nitrate, phosphate. Simple, illustrated, biligual (English/Spanish) instructions. Kit comes packed in a screw-lid canister that includes liquid crystal thermometer, turbidity measuring scale, labware and reagents.