35 ppt Marine Salinity Calibration Standard (25 x 20 ml) - Hanna Orphek If you have multiple lights

If you have multiple lights

SENSING BULB

yellow and orange colours

AQUARIUM SIZE up to 1000LDeltec has been a market leader in high-quality marine equipment for over 25 years

Use Stepper peristaltic pump to meet long-term use and high accuracy

35 ppt Marine Salinity Calibration Standard (25 x 20 ml) - Hanna Orphek If you have multiple lightsHI70024P is a premium quality 35. 00 ppt marine salinity calibration standard 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. Hannas line of conductivity solutions have been specially formulated to have an expiration of 5 years from the date of manufacture for an unopened sachet. The HI70024P