Hanna Instruments 35 ppt Salinity Calibration Solution (20 mL Sachets) HI70024P Type_Buffer Solution It is important that nutrients

It is important that nutrients are soluble for plants to uptake and use for growth

The Natural Expanded Volcanic Perlite is used to improve the drainage and aeration of any growing medium

pH Electrode pH electrode with replaceable bridge electrolyte Automatic Shut-Off 8 minutes

The calibration buffers are automatically recognized and after calibration the buffer values used are shown on the display

Total immersion might cause a failure of the valve to close due to the possibility of water entering the top float

Hanna Instruments 35 ppt Salinity Calibration Solution (20 mL Sachets) HI70024P Type_Buffer Solution It is important that nutrientsHI70024P is a premium quality 35. 00 ppt salinity calibration solution that is NIST traceable and contained in portable single use sachets. 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 calibration solutions have been specially formulated to have an expiration of 5 years from the date of manufacture for an unopened sachet. 35. 00 ppt @ 25C