WAVES Posted March 21, 2010 Share Posted March 21, 2010 Used milwaukie pH controller. needs a power supply and probe turns something on and off based on pH $20 Quote Link to comment Share on other sites More sharing options...
ciao Posted March 21, 2010 Share Posted March 21, 2010 How much do probes run around? Never bought one before Quote Link to comment Share on other sites More sharing options...
WAVES Posted March 21, 2010 Author Share Posted March 21, 2010 How much do probes run around? Never bought one before www.google.com type pH probe Any with BNC connector will work. Quote Link to comment Share on other sites More sharing options...
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