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A Quote from Bob Fenner on Wetwebmedia about carbon and ozone.
Activated carbon/ ozone
Bob,
Is it essential when running ozone, that the returning water from the skimmer be run under carbon???? This seems like a controversial subject. Thanks again. Lee
<Not essential in almost all cases... part...
I used to run a UV. I couldn't see a difference in my tank.
I've been using Ozone for a little while now. I won't run a tank without one now.
I run mine threw my skimmer. Don't need to use carbon. I have a venturi and recirculating skimmer which breaks down the atoms before they return to my...
Run the fan across the sump. That should bring the temp. down a few degrees.
As soon as I get a chance, I'll look for a link on how to top off using Kalk and RO/DI.