Inverted pH control

Basic / Standard Reef Angel hardware

Posts: 66
Joined: Fri May 05, 2017 11:27 am
PostPosted: Mon Jul 17, 2017 5:31 pm
I've split my RO reservoir line to run to my kalk stirrer and directly to the sump. I've also installed a solenoid on the line running to the sump. When pH is "high" I want to turn on the solenoid, allowing RO to flow directly to the sump. When pH is "low", I want to turn the solenoid off forcing all water through the kalk stirrer. I'm using internal memory but if you set to turn on at the "high" and off at the "low", it doesn't work. How can I make work?

Posts: 12327
Joined: Fri Mar 18, 2011 6:47 pm
PostPosted: Mon Jul 17, 2017 7:22 pm
inverted ph control is co2 control :)
Roberto.

Posts: 66
Joined: Fri May 05, 2017 11:27 am
PostPosted: Mon Jul 17, 2017 10:10 pm
rimai wrote:inverted ph control is co2 control :)


Perfect. Thanks!

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