Local calibration solution

[phc567]

Hello.
I'm looking for 4.0 calibration solution for ph probe. By any chance does anyone know of a store that sells it local in sf ?

 

[Coral2Coral]

I think your best bet is either AC or Neptune’s.

 

[phc567]

Hella far. I’m the ultimate lazy reefer. Lol. Was hoping someone knew a secret place in sf. Guess on line order is my friend. ������

 

[Coral2Coral]

If time is not an issue, online will save you a bit if a drive.