Milwaukee Instruments pH 4 Calibration Solution, 20 ml Sachets, case of 25 chillers-heaters-and-purification Xtrasun HPS 600W lamp features:

Xtrasun HPS 600W lamp features:

mycorrhizae provide plants with the greatest possible benefit for the smallest amount of input

Worm Castings aid in uptake of nutrients

PhysioSpec Greenhouse™

• Does not kill beneficial insects

Milwaukee Instruments pH 4 Calibration Solution, 20 ml Sachets, case of 25 chillers-heaters-and-purification Xtrasun HPS 600W lamp features:This item is sachets only Available in 220 ml bottles and 20 ml sachets. Traditional buffer solutions are packed in 220 ml leak proof bottles and are recommended for lab application. Sachets are sealed against light and air and are ideal for on the spot calibration. Simply open, insert the tester or electrode into the sachet and calibrate. Sachets are sold in boxes of 25 pieces.