Calibration Check Solution for HI9813-6 (25 x 20 mL Sachets) spl_hf however VeloKelp is most beneficial

however VeloKelp is most beneficial during early plant development

• Contains fulvic and humic acids

Minimum order quantity to be added of 4 pieces

Hydrofarm's Xtrasun reflectors were designed with our customers' needs in mind

Enhanced full spectrum promotes healthy roots & creates strong veggie cycle

Calibration Check Solution for HI9813-6 (25 x 20 mL Sachets) spl_hf however VeloKelp is most beneficialHI50021P 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