Hanna Instruments pH 4.01 Calibration Solution, 20 mL - Case of 25 Container Size:500 mL All Impellers Available

All Impellers Available

The Covert LED-X Grow Light Bars Have A Place In Any Grow Room Or Greenhouse

Weight / gallon: 11

heavy duty aluminum

Uniform surface wetting provides optimal rootzone development

Hanna Instruments pH 4.01 Calibration Solution, 20 mL - Case of 25 Container Size:500 mL All Impellers AvailableThis buffer value is widely used in water purification plants, in the food industry, and wherever the pH is expected to be slightly acidic Hanna Instruments ph 4 Buffer Specs: Traceable to NIST standards Available in bottles or sealed sachets, complete with or without a certificate of analysis Multiple resolutions for better accuracy NIST Traceability Standardized using a pH meter calibrated by means of two standard solutions prepared from NIST