GroLine pH 7.01 Calibration Buffer (230 mL) Environmental Controllers Output Switch: Relay

Output Switch:                                        Relay

Customize your indoor hydroponic garden with Hydro-Logic's 3/8" white tubing for water filtration systems

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000 cuts per minute

Flowering Footprint 4' x 5' at 30" Veg Footprint 6' x 6' at 36” System Efficiency 171 Lm/W System PPF Efficacy 2

GroLine pH 7.01 Calibration Buffer (230 mL) Environmental Controllers Output Switch: RelayHI7007 023 is a high quality pH 7. 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