Bluelab 2.77 EC Conductivity Solution 500ML Drip VidaWool plugs are round for

VidaWool plugs are round for a perfect fit every time

Includes: (300) 62%

Range:1-81 (air - water)

Mixing Chamber Kit

The DriFlower™ Strut-Brackets (UNI) are specifically engineered to convert strut uprights into towers of drying power

Bluelab 2.77 EC Conductivity Solution 500ML Drip VidaWool plugs are round forProduct details Bluelab 2. 77EC Conductivity Solution 500 mL can improve the accuracy of your Bluelab meters. Using the reference solution, you can verify that your EC ppm meter is reading correctly after cleaning the probe. Bluelab's conductivity pens and meters are factory calibrated, so you don't have to recalibrate them, however, you do need to clean your probe and verify that it is reading accurately by using this 2. 77 EC Conductivity Standard