Quote:
Originally Posted by wickedfrags.com
not related to your hermit issue...but your sump should have a light over it, when ever the lights on the main tank are off
|
My understanding is that this rule only applies to a sump with a refugium containing chaeto, etc. I don't completely understand, but something to do with the oxygen release??
Bignose only has rock in his sump so it should not be an issue.