robbiej Member Joined May 22, 2004 Messages 21 Location Tacoma Oct 30, 2005 #1 Where can I get the calibration liquid for a ph pen? I ordered one online and didn't realize I needed this.
Where can I get the calibration liquid for a ph pen? I ordered one online and didn't realize I needed this.
wrightme43 Well-known member Joined Jun 30, 2004 Messages 4,355 Location bowling green ky Oct 30, 2005 #2 www.marinedepot.com they have ph cal fluid in 5.0 7.0 and 9.0
