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#3
02-15-2010, 12:44 AM
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The one on RC simply had two Tunze ATO systems plugged into a Neptune controller. If the tanks pH became to high it would shut off the one running through a kalk reactor and run the one that just pumped clean RO/DI water. Any Neptune controller could do that easy.
The program could look like this: If pH > 08.50 Then AT1 OFF If pH < 08.50 Then AT1 ON If pH > 08.50 Then AT2 ON If pH < 08.50 Then AT2 OFF
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"We shall dive down through black abysses... and in that lair of the Deep Ones we shall dwell amidst wonder and glory forever." - H.P. Lovecraft Old 120gal Tank Journal New 225gal Tank Journal May 2010 TOTM The 10th Annual Prince George Reef Tank Tour Last edited by whatcaneyedo; 02-15-2010 at 12:46 AM. 
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