Anyone running GFO through a canister

I did for a while along with carbon in an Eheim 2026 as I run sumpless.
Obviously it's not as efficient as a reactor, but it did do the trick in finally clearing a pesky cyano problem.
I have now eliminated the canister and use the media chamber of my MCE600 - it's much easier for maintenance.
 
<a href=showthread.php?s=&postid=15320955#post15320955 target=_blank>Originally posted</a> by Zebodog
I did for a while along with carbon in an Eheim 2026 as I run sumpless.
Obviously it's not as efficient as a reactor, but it did do the trick in finally clearing a pesky cyano problem.
I have now eliminated the canister and use the media chamber of my MCE600 - it's much easier for maintenance.

Thanks man, Im gonna run some of the bigger GFO pellets through my canister. :bum:
 
I ran Phosban for years in a canister. Good results. Now that I've gone to a larger system I run a reactor. Much better and a minimal expense. I had no measurable PO4 for a year and I just changed the media because it was probably exhausted. Waiting to hear from Two Little Fishes about their opinion on this length of life.
 
I do! I have 2 bags of WM PhosAR and one bag of carbon stacked inside a Rena XP filter and it does wonders. I think that using a canister is way easier than using a phosban-style reactor when it comes to maintenance. The Rena XP has 4 latches that I can unlatch in literally 5 seconds, and replace the media in less than a minute. Replacing a media inside the phosban-style reactor is very cumbersome in my opinion; however I think those reactors are slightly more efficient.

Regardless, I am happy with my method and wouldn't go back to using Phosban-style reactor.
 
GFO

GFO

Like I said, I haven't changed the media for a year and I have 0 PO4. Way easy!
<a href=showthread.php?s=&postid=15324100#post15324100 target=_blank>Originally posted</a> by xtm
I do! I have 2 bags of WM PhosAR and one bag of carbon stacked inside a Rena XP filter and it does wonders. I think that using a canister is way easier than using a phosban-style reactor when it comes to maintenance. The Rena XP has 4 latches that I can unlatch in literally 5 seconds, and replace the media in less than a minute. Replacing a media inside the phosban-style reactor is very cumbersome in my opinion; however I think those reactors are slightly more efficient.

Regardless, I am happy with my method and wouldn't go back to using Phosban-style reactor.
 
I ran GFO in my Rena canister for a time as well. Now I use only carbon in there. Maybe my test kit, but I never saw a difference in readings whether I used GFO or not, always very close to zero phosphates according to the kit. No change in readings when I stopped using the GFO, so I figured, save the money. GFO can be costly and seemed like a waste to me.
 
Sort of a precautionary thing for me. With all the heavy bio-load caused by feeding gonipora, sun corals, plate corals, and various LPS. Could be a waste, but from my experience I'd rather have a back-up plan. I've been running GFO for five years and when I have a spike... changing the media brings it right down. My new tank doesn't have this problem and I hope it never does. My last system had matured for seven years and GFO seemed to help a lot.
 
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