GFO reactor - not big enough?

[Hal]

I'm looking to buy a GFO reactor for my current tank (150g), but I also hope to upgrade to a 280-300g tank in the not too distant future.

I was looking at the Bulk reef supply reactor, but they only recommend 2 cups (max) of GFO material in their reactor. Based on their recommended rating of 3-5 grams of GFO per gallon, the 2 cups works out to a 57 gallon tank (3 g/gal) to a 96 gallon tank (5/g per gallon). Clearly that won't support a 300 gallon tank (or even a 150g).

One option is to use the High Capacity GFO, which they claim doubles the effective size of the tank. Even then, we'd be at a 104-192 gallon tank.

What do you use for a GFO reactor? (Please list tank size too.)

[cbrguy]

I use the GEO 612. I only use 100g of GFO for my 200 gallon system. My PO4 is around .02 and .03 using a hanna meter

[Hal]

<a href=showthread.php?s=&postid=14689311#post14689311 target=_blank>Originally posted</a> by cbrguy
I use the GEO 612. I only use 100g of GFO for my 200 gallon system. My PO4 is around .02 and .03 using a hanna meter

Do you feed flake? Rinse your frozen food? Your numbers seem pretty low unless you are consciously limiting the addition of phosphates to your tank.

[cbrguy]

I feed flake(pellets) I have a pretty small bio load (5 fish). I also do weekly water changes and I have a pretty big skimmer along with a fuge.

[BigJay]

I run maybe a couple of cups in a TLF reactor on a medium-load 180 gallon.

The media lasts around five or six weeks before it's expended.

[mflamb]

I use 3 cups of gfo in my diy 6x24 reactor on my 300 display/410 system. I feed 6 times per day, flakes, pellets, cyclopeze, and frozen. PO4 stays around .02-.03