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Old 04-24-2011, 10:22 PM   #1
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LR vs coral

I'm new to the SW scene and was wondering why people get LR? I realize it is easy to care for, compared to coral. But what is the benefit to LR? Do things grow out of it? also can you use LR as a base to add coral? or is that the concept of LR? Totally new to SW and am more confused than ever!

Thanks for the help and I'm sure I'll be asking tons more questions
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Old 04-24-2011, 10:32 PM   #2
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Live rock is a form of filtration. it builds benificial bacteria that breaks down ammonia into nitrites and then a less harmful nitrate. its a much more natural filtration and saltwater systems, mainly reef systems do best with a natural filtration system, ie. live rock, deep sand bed, micro algaes.

as well it gives a place to perch corals and for caves and places for fish to hide
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Old 04-24-2011, 10:37 PM   #3
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Live rock will be your number one friend. It'll be your main source of biological filtration and most important filtration system for your tank. The live rock is called "live" because it contains so many forms of algea, bacteria and other organisms which will consume ammonias, nitrates and phosphates, all harmful to your livestock. IMO, without some sort of live rock, you can't have corals. You need atleast as many pounds of live rock as you have gallons of saltwater in your aquarium. This provides enough surface area for the water to be filtered by the algeas, ect from harmful wast products. Live rock can be just as pretty to look at as some corals and acts as a wonderful, almost ideal home for all corals. Hope this helps.
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Old 04-24-2011, 10:39 PM   #4
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Quote:
Originally Posted by Gti_Leo View Post
Live rock is a form of filtration. it builds benificial bacteria that breaks down ammonia into nitrites and then a less harmful nitrate. its a much more natural filtration and saltwater systems, mainly reef systems do best with a natural filtration system, ie. live rock, deep sand bed, micro algaes.

as well it gives a place to perch corals and for caves and places for fish to hide
Thanks for the reply! I knew somewhat about LR being a natural filter but wasn't sure if it was needed for a reef tank. If I were to get a nano tank, or a Biocube how much LR would be essential?
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Old 04-24-2011, 10:40 PM   #5
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I would also highly recommend that you acquire some live rock for your setup. If checked out thoroughly you have a better chance of not getting any hitchhikers. It is 80% of your filtration in a reef tank. The amount of rock needed should be 1.5 to 2 lbs of total gallons. You don't have to buy all live rock, you can get the bulk in base rock, dead rock and seed it with the live rock.

hope that helps
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Old 04-24-2011, 10:46 PM   #6
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Welcome to AA! The amount of rock you will need really depends on how big the tank will be. Going by pounds to determine how much rock you will need can be a little misleading in my opinion (IMO, sorry I use this one a lot) because different types of rock will be more or less dense than the rest. You don't need to use all live rock to get a tank started. You can use base rock which is basically just dead and dry live rock, and this will save you some money.
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Old 04-24-2011, 10:46 PM   #7
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Thanks everyone for the replies.. Sure is a lot different from FW.. one question about LR.. What kind of stuff could I expect to see grow off it over time?
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Old 04-24-2011, 10:48 PM   #8
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You don't have to buy all live rock, you can get the bulk in base rock, dead rock and seed it with the live rock.
When you say this the "seed" like fertilizer for the rock? like a liquid form? Thanks again for the advice! I can tell I'm going to be doing a lot of reading!
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Old 04-24-2011, 10:50 PM   #9
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The bacteria from the "live rock" will spread over to the base "dead" rock over time. I put 30 lbs of base rock in my biocube and 15lbs of live rock.
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Old 04-24-2011, 10:51 PM   #10
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its recommended that you have between 1-2 lbs per gallon, so if you have a 10 gallon system then its recomended that you have atleast 10lbs of live rock

you son't see much besides you might get tiny insect like creatures and you'll see alot of purplish algae known as coralline algae (very pretty), it can also be a deep red and sometimes green
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