Emergency overflow chamber and algae

[Coralgurl]

Originally Posted by mark

All I do with mine is every couple of waters change I'll usually siphon out the sludge. No algae as overflow sides are covered in dark acrylic and lights don't shine into them.

I did not think about covering from lights.

[MMAX]

Mine has bubble algae in it. Every couple of weeks I'll shut off the gate valve and force all the water through the emergancy drain into the sump, put a bag over the pvc pipe and catch it that way.