Conductivity setup
Hi Hendrikherry,
I highly recommend you NOT to automate salinity control!
If you have a god ATO system and a proper water change method, than there is low to no reason to correct salinity.
You will put your tank in danger if you rely on the conductivity probe. The biggest problem is long time correct readings. There is always a bacteria or algae film building up on the electrodes. Also snails and star fish (asterina) can change readings for a significant time and value.
To reduce this you will try to rinse and calibrate the probe frequently. In my experience at-least twice a month.
Long story short: the risk is not worth the hassle! But the probe is a very god long term control of bigger changes of the system (improper water change method).
The best way to control salinity of your tank is and will be a good refractometer once in time depending on your ATO and water change procedures.
Just my 2 cents
Monty
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1000L SPS dom., 4x Mitras LX 6100 HV, GHL ProfiLux 3ex, KH Director, Expansionbox, SMS-Modul, Dosing Unit 4, ATI Powercone 250i, Shuran Jetstream 1 CA reactor,......
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