PH Calibration Fluid

[Red Coral Aquariums]

Originally Posted by digital-audiophile

Anyone know who has this in town? I picked up a PH probe today but of course didn't think about the fact that I needed to calibrate it until tonight when everyone is closed.

I just don't want to have to drive around again tomorrow like I did today from store to store trying to find a bottle of ZeoBak

We have the calibration solution in stock. and Zeobak.
Kevin