Carbon & GFO Changing How Often?

tcarroll

Reefing newb
How often do yall change your carbon and GFO?

How long does it usually take to notice a deifference with GFO?

Carbon Biweekly?

GFO Monthly?

Thank's
 
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I haven't use GFO in awhile,probably why I have hair algae problems.Monthly was how often I chnaged it.

I run carbon two days a month in a reactor.Replace the media every 3-4 months.
 
I run no protein skimmer and no sump. I have a 75 gallons reef and fish, I use to dr. foster smith skilter filters that skim the surface and the middle of tank. My tank is crystal clear. I change my carbon about every three weeks or so. The problem I am haveing is microbubbles lately. These filters tell you to use the carbon filter in front and a sponge filter in the back closest to the water and this is strictly for bacteria to grow on. The bubbles come from the water backing up and spilling over into the tank and being sucked right back thru the filter. Do I need to have these sponge filters for the bacteria or will all the live rock handle that? What do you all mean by gof filters? Thanks
 
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