How much LR rubble in 14 biocube

[greymach]

I have a 14 Biocube i am setting up. How much LR rubble have u guys put in the area where the bioballs are? Do u just take out all the bioballs and place the LR in there?

 

[innerdragon103]

Put as much LR as you can fit, w/o bringing waterflow to a standstill, the more the better. And yes, if this is a new tank, just pull all the bioballs out and replace w/LR. If its an established tank, replace the bioballs with LR gradually.

 

[sng]

Do you place big pieces or do you smash the live rock to make rubbles? Anyone have any pics?

 

[sigmachris]

you can usually get rubble from a LFS at $2.00 / lb. If you have a good relationship with the LFS when you make a purchase ask for a handful and tell them what you are doing. They should throw it to you free.
The size depends on the size of your compartment, but it should be a little bit smaller than a golf ball. You want rubble not pebbles so that it fouls up your powerheads.

 

[tomtown]

fairly new to saltwater myself have a question about LR in filter instead of bio-balls.
I have a 14 G biocube. The guy at LFS said rock in filter won't get enough light and will
turn to mush before long. This didn't sound good for tank? Any suggestions?
Thanks tomtown

 

[sigmachris]

It's my understanding that the beneficial biproduct of the rubble doesn't need light for the filteration. I can say that the rock won't turn to "mush" as light doesn't affect the make up of the base rock.