Bluelab 2.77 EC Conductivity Solution 500 ml, case of 6
Bluelab 2.77 EC Conductivity Solution 500 ml, case of 6 at HorticultureSource.com -
The 2.77 EC Conductivity solution is used as a reference or checking solution to ensure you have adequately cleaned the EC/CF probe. These solutions should be stored in a cool place out of direct sun and heat.