pH meter

An essential piece of equipment to have for anyone growing using water, or using nutrients of any kind. Getting your pH within the correct range is essential to get the maximum growth and yeild from your plant.
pH meters measure hydrogen-ion activity (acidity or alkalinity) in a solution
Included screw driver for adjustments. We recommend that you calibrate with 6.86 standard buffer solution, adjust if needed with screw driver, and then clean with either pH 4.0 or pH 9.0 solution. Leave electrode submerged for at least one min, and repeat adjustments if necessary.