Pre-Measured Packets: Each reagent packet is precisely measured for consistent

The HI96831 has a high accuracy of ±0

One HI749-25 reagent kit containing 25 pre-measured reagent packets for chromium VI testing (0-300 ppb range)

This galvanically isolated input can be used to disable the dosing pump when there is no chemical left in the reservoir tank or there is no flow due to the circulation pump being turned off

prevents drift

Bluelab pH 7.0 Calibration Solution – 250 ml / 8.4 fl oz 810666009749 Pre-Measured Packets: Each reagent packetpH 7. 0 calibration solutions a must in every grower's toolbox Features: Contains 1 bottle 250 ml 8. 4 fl oz Boost your pH products longevity with regular cleaning and calibration Bluelab pH 7. 0 Calibration Solution ensures accurate pH meter readings every time. This 250 ml bottle of precision grade calibration fluid maintains your testing equipment at peak performance, essential for reliable water quality monitoring in labs, hydroponics, and