What carbon or GFO to use?

[Stemick]

I have 52gal cube with a 20 gal sump, I have a two little fishy 150 reactor. What would be a good carbon and phosguard/ or GFO to use in terms of quality, longevity , and price. What would you use, how much, and how often would you change it out. I look to help polish the water and keep PO4 down. I use chemi-pure elite in it now. Thanks for your thoughts.

 

[ReefFreak@]

Brs rox and brs high capacity gfo little pricey but they work great.

 

[racin2438]

^^^^^^ As stated above, BRS.