[lastlight]

Thanks for the answers Tim I like what I'm reading.

I think I might have a pretty good idea where to does the stuff but your input would be appreciated. my drain feeds a chamber in my sump that holds maybe 3-4 gallons of water. This chamber then overflows into a dual filter sock tray. water stays in the tray and then falls through the socks into a second chamer which then spills over into the skimmer chamber. the socks are almost entirely submerged.

I'm thinking if I drip the foz down into the drain chamber it has lots of time to react and then either settle in there (no big deal) or land in the socks.

I have a spare channel on my doser... what sort of amounts are we looking at dosing for optimal performance. and how many times per day?

It would be ideal if I could tell you my phosphate levels but I rarely ever measure I just sort of change gfo based on algae film on my glass...