The sump:
Filter sock, reactor (carbon and GFO).
Fuge will be no light rubble rock in an egg crate box (on order)
last chamber is a float switch and return pump.
The overflow box.
The return line
The CPR HOB intake turned to a right angle so the pump is place low on the tank. This fuge has a hydor nano skimmer (I may remove) and full of cheato and some grape caulerpa, some sand and some rock. good population of pods and fan worms. and some aptasia.
with all the tinkering and kicking up a sand storm, nitrates tested a 0 and po4 at 0.06 this morning.
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