Do you GFO?

EyeReef · Mar 30, 2014

Just curious to see if any SPS nuts out there are running their tank GFO free?
Noticed some STN on my milli after changing out my GFO and decided to take it offline to see if it makes a difference.
I was using a very small amount with slow flow through the reactor. Thinking about getting rid of the reactor and going with a bigger fuge.

SchnitzelReef · Mar 30, 2014

If u have lots of fish and like to feed, IMO gfo is a necessity. Not that u need to run it 24/7, but def keep it for when your phosphates are starting to creep up. If/when ur phosphates are high, U can do water change after water change, OR throw just some gfo in a reactor and drop it.

robert_ellis · Mar 30, 2014

I don't use gfo or carbon. My sps are growing good with color and polyp extension.

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lowbudget · Mar 30, 2014

robert_ellis said:

How's your bio load

DeadCalm · Mar 30, 2014

I don't use GFO and my po4 sits at 0.00 - 0.03. I have a large Bioload and feed 4 times a day.

robert_ellis · Mar 30, 2014

lowbudget said:

4 tangs
1 Copperband
1 chromi
3 clowns
2 damsels
1 6 line
4 cardinals
1 fire fish

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Livinlocal · Mar 31, 2014

What is your secret to such low nutrient levels without running Gfo or phosban?

joseserrano · Mar 31, 2014

Just in case no one knows, when you change gfo it does drop ur alk

DeadCalm · Mar 31, 2014

Livinlocal said:

This is how reef tanks were ran way back before GFO and Bio Pellets were invented.

The systems that are run without GFO all have a few things in common:

1. They rely on bacteria and a large skimmer as their main source of filtration.
2. They have a large amount of good quality rock in their system.
3. They either did a slow cycle or added bottled bacteria (microbacter7, Special Blend, Dr Tim's.....)
4. They have high amounts of flow around the rock.
5. They have a few inches of sand in them and aren't bb.
6. They perform 10% weekly water changes.

Racinjason's featured tank on this forum is a great example of this way of reef keeping.

http://www.socalireefs.com/index.php?pageid=racinjason

robert_ellis · Apr 1, 2014

DeadCalm said:

This is how reef tanks were ran way back before GFO and Bio Pellets were invented.

The systems that are run without GFO all have a few things in common:

1. They rely on bacteria and a large skimmer as their main source of filtration.
2. They have a large amount of good quality rock in their system.
3. They either did a slow cycle or added bottled bacteria (microbacter7, Special Blend, Dr Tim's.....)
4. They have high amounts of flow around the rock.
5. They have a few inches of sand in them and aren't bb.
6. They perform 10% weekly water changes.

Racinjason's featured tank on this forum is a great example of this way of reef keeping.

http://www.socalireefs.com/index.php?pageid=racinjason

I do all that except weekly water changes. I dose 2 part and do monthly (if that) water changes.

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h0ndap0w3r · Apr 1, 2014

i change 10% every 2 weeks and run bio pellets...

po4 comes in around .03 give or take, great color on sps with the exception of a few pieces that didnt make the tank transfer, but this is prob my fault due to rushed acclimation etc...

no gfo, just carbon and pellets and fuge.

2 clowns
3 anthia
1 sunburst anthia
1 flame fin tang
1 clown wrasse
1 yellow tang
1 Powder blue (soon to be, still in qt)

feed 2-3 times per day

Do you GFO?

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