HM Digital 1000 ppm Calibration Solution, 20 mL Packet - Pack of 20 Container Size:20 mL - Pack of 20 allowing easy duct hook-up

allowing easy duct hook-up

The highly reflective material directs light downward

The ratio is perfectly balanced so that your plant can complete its vital processes and create increased floral structures and essential oils

Experienced gardeners know that a perfect outdoor mix is different than a perfect indoor mix

70 Gallon 55

HM Digital 1000 ppm Calibration Solution, 20 mL Packet - Pack of 20 Container Size:20 mL - Pack of 20 allowing easy duct hook-upFor optimal performance, re calibrate your meters periodically or if testing TDS or conductivity levels in wide or different ranges. NaCl calibration solution, available in 1000 ppm Comes in lightweight HDPE plastic bottles or 20 mL packets Sealed with a coated foam liner