water source could potentially avoid costly reverse osmosis filtration systems maintaining high crop yield tools common equipment managing nutrient concentrations oxygen saturation ph values within acceptable ranges essential successful hydroponic horticulture common tools used manage hydroponic solutions include electrical conductivity meters tool estimates nutrient ppm measuring well solution transmits electric current ph meter tool uses electric current determine concentration hydrogen ions solution oxygen electrode electrochemical sensor determining oxygen concentration solution litmus paper disposable ph indicator
Applied science Agriculture Hydroponics