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Makaiveli
08-04-2004, 8:33 PM
It's hot so I have a fan on the aquarium, which results in FAST evaporation.

I'm dripping R/O water into the tank to compensate, because when the water evaporates, the salinity goes UP

Any suggestions, considerations, knowledge born from experience?

Cearbhaill
08-05-2004, 5:41 AM
Keep that top off going!
Never let it get behind enough to affect your salinity- this is what we mean by stability.

mogurnda
08-05-2004, 8:02 AM
Keep doing what you're doing.

How handy are you? You can put together an auto-topoff system using a float valve, or a float switch plus a solenoid valve if you have a little spare time.

Right now I'm just using a solenoid valve on a timer for the 20. For the 90, I am putting a float valve in the sump, hooked to a 16 gallon carboy.