Milwaukee MA9069 5000 uS/cm Conductivity Solution hydroponics pH meter ✅ 25 Pre-Measured Tests: Each

✅ 25 Pre-Measured Tests: Each packet is precisely dosed — just tear

The sponge should be moist (not soaking wet)

01 calibration standards

2 mg/L) to prevent algae

Disconnect probe from meter

Milwaukee MA9069 5000 uS/cm Conductivity Solution hydroponics pH meter ✅ 25 Pre-Measured Tests: EachDESCRIPTION The performance of conductivity probes are affected by use due to residue build up and aging. MA9069 is a lab grade 5000 S cm conductivity solution standard prepared against a NIST traceable potassium chloride solution that allows you to recalibrate your conductivity meter or tester. Check your meter or tester's manual to find the correct calibration standard for your meter. Conductivity readings are effected by temperature. To help with