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#21
07-07-2009, 03:33 AM
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Hi Kevin,
I have found this one: http://www.octiva.net/projects/ppm/ I have still yet to build it, but the guy who designed it has built and he seems to have it working good. My parts are on order so i will be able to play in the next month or so when i get round to it. Let me know how you get on if you build it before me. VR.
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View my Aquarium & Reef Controller build here:  The Ultimate DIY Aquarium Controller of the 21st Century!!! LED's, PH, Salinity, Clock, LCD, ATO, Auto Water Changer, Variable Speed Cooling Fan Control and lots, lots more...... 
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