jc_lim3 Posted January 21, 2006 Report Share Posted January 21, 2006 Hello world! I like to ask if any of you guys have ideas for a aquarium pH meter. Quote Link to comment Share on other sites More sharing options...
MP Posted January 21, 2006 Report Share Posted January 21, 2006 Here is one. The author's email address is in the schematic.Hope it is helpful.MP Quote Link to comment Share on other sites More sharing options...
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