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HALO enables the gardener to automate their pH and temperature logging efforts
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and rapid stem and shoot development are among the recognized benefits of using this kelp extract
Total Wattage: 216W
Hanna pH 4.01 Calibration Solution, 16 oz Bio-Fertilizer HALO enables the gardener toHanna's buffer solutions are made from established formulas and are standardized with a pH meter calibrated to NBS NIST primary standard buffer solutions. The 20 ml sachets are ideal for infrequent calibrations while for heavy duty applications, you can choose from the popular 230 ml, 1 liter, or 1 gallon containers. Now the pH 4 buffers carry lot # and expiry date as well as pH C chart on every bottle. HI 7004L C and HI 8004L C are also supplied with
US$ 44.65
US$ 178.00
US$ 188.00
