Growth Technology - Buffer 4 and Buffer 7 - NPK Technology Hydroponics
Growth Technology - Buffer 4 and Buffer 7 - NPK Technology Hydroponics
Growth Technology - Buffer 4 and Buffer 7 - NPK Technology Hydroponics
Growth Technology - Buffer 4 and Buffer 7 - NPK Technology Hydroponics

Growth Technology - Buffer 4 and Buffer 7

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Solutions of a known and fixed pH. These are used to calibrate pH meters. This should be done on a regular basis to ensure ongoing accuracy from the meter. Available buffer solutions: pH 4 and pH 7.