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	Live rock for my 30gal.
dredd969 Fingerling Posts: 22 Kudos: 22 Votes: 4 Registered: 11-May-2005	I just started my 30 gal salt set-up about 2 weeks ago. Right now I have no fish and about 6-7 lbs. of live rock. I want to use the rock as my bio. filtration. Is there a certain ratio of lbs. of rock to gallons of water.
Posted 26-Jan-2006 11:20
sirbooks Moderator Sociopath Posts: 3875 Kudos: 5164 Votes: 932 Registered: 26-Jul-2004	It is preferred to have at least a pound of live rock per gallon of water. Porous live rock is the best medium for a biological filter because it provides more habitable space for bacteria. And when he gets to Heaven, to Saint Peter he will tell: "One more Marine reporting, Sir! I've served my time in Hell."
Posted 26-Jan-2006 11:20
terranova Fish Master Posts: 1984 Kudos: 1889 Votes: 229 Registered: 09-Jul-2003	Yep. It's recommended to have a pound of porous live rock per gallon. Denser rocks, like Florida rock, will require more to keep up. Look online for good deals, or in a local reef club or aquarium society. -Formerly known as the Ferretfish
Posted 26-Jan-2006 11:20
dredd969 Fingerling Posts: 22 Kudos: 22 Votes: 4 Registered: 11-May-2005	Cool, I just got back from my LFS with 7 more pounds of rock. The tank is looking a lot better. Thanks for the info
Posted 26-Jan-2006 11:20
dthurs Ultimate Fish Guru Posts: 4340 Kudos: 4170 Votes: 529 Registered: 18-Feb-2003	Sand will also help with your filteration. How much sand do you have. You want between 2 and 3 inches of sand. The amoun tof rock will also depend on the kind of tank you want. On the low end, 1/2 pound per gal of water, and go up from there. Most people use about 1 pound per gal. I have over 200 pounds in my 125 and still want more. Dan Dan
Posted 26-Jan-2006 11:20
dredd969 Fingerling Posts: 22 Kudos: 22 Votes: 4 Registered: 11-May-2005	Right now i've got 40lbs of sand (a little under 3 inches). I hope to still add more rock in the comming month.
Posted 26-Jan-2006 11:20
dthurs Ultimate Fish Guru Posts: 4340 Kudos: 4170 Votes: 529 Registered: 18-Feb-2003	So right now you have about 1/2 pound per gal. This is a good starting point, more is better though. Aim for 1 to 1 or higher. Your sand bed is deep enough to start the nitrogen cycle. This will take a little while, but you will start to see bubbles come up from the sand. This is nitrogen. This will help keep your nitrAte levels near zero because bacteria will convert nitrAtes to nitrogen and that will bubble up and leave your tank. Dan Dan
Posted 26-Jan-2006 11:20


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