Quote:
Originally posted by bluewatercandy
Where do you purchase a Ph probe port? I have an older Geo reactor and it does not have one. I measure the Ph in a cup fed by the reactor drip. This cups Ph tends to be .2 to .5 higher than the actual Ph in the reactor. I think an in reactor Ph reading would be much more accurate for my setup...
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You would have to contact GEO or the company you bought it from. Possibly a google key word search. I know for the Koralin 1502 they make a ph probe port top.