GroLine pH 4.01 Calibration Buffer (500 mL) veg-and-bloom 2-4ml Bio·Bloom™

2-4ml Bio·Bloom™

double junction reference

Max Height: 40ft

Pressure reducing valves are devices which

Perlite can be used as a stand-alone medium in drip systems or as a mix-in element with other growth mediums

GroLine pH 4.01 Calibration Buffer (500 mL) veg-and-bloom 2-4ml Bio·Bloom™HI7004 050 is a high quality pH 4. 01 calibration buffer that is NIST traceable and supplied with a Certificate of Analysis. Hanna calibration buffers have the lot number and expiration date clearly marked on the label and are air tight with a tamper proof seal to ensure the quality of the solution. Hanna's line of technical calibration buffers have been specially formulated to have an expiration of 5 years from the date of manufacture for an unopened