Calibration Check Solution for HI9813-6 (25 x 20 mL Sachets) spl_hf • Contains fulvic and humic

• Contains fulvic and humic acids

Grow-Cubes are difficult to overwater if the container has good drainage

however VeloKelp is most beneficial during early plant development

A great choice for rooms that require very high PAR at canopy

• Metal bracket (so filter is stable on a flat surface or can be wall mounted)

Calibration Check Solution for HI9813-6 (25 x 20 mL Sachets) spl_hf • Contains fulvic and humicHI50021P is a premium quality calibration check solution used exclusively for the HI9813 6 portable pH EC TDS Temp. meter. Each sachet has the lot number and expiration date stamped on it and is made of light block foil ensuring freshness each time one is opened. Hanna's line of solutions have been specially formulated to have an expiration of 5 years from the date of manufacture for an unopened sachet. The HI50021P is for 25 sachets containing 20 mL