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Live Rock Filtration & Systems Information

Serving many purposes, live rock is probably the most popular material used for natural biological filtration in saltwater aquariums, particularly with a Berlin style NNR setup. Whether deciding to run a fish-only or a reef tank system with this medium, learn all the ins and outs of buying and curing, aquascaping, cycling a tank, and more about working with live rock.
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What is Live Rock?
Many saltwater aquarists with marine aquariums don't understand exactly what live rock is and why it is used in marine aquariums. Live rock serves many purposes in saltwater aquariums, from refuge for tank occupants to a biological filter platform.

Curing Live Rock
Curing live rock does not mean relieving it of a disease. Curing live rock means to "condition" it for use in a marine aquarium. There are a number of terms used for live rock including: cured, uncured, seeded and a few others.

FAQ - Why is My Live Rock Turning White?
FAQ - "Why is My Live Rock Turning White?". Many aquarists experience Live Rock bleaching. For the most part, this is the result of coralline algae losing its color. Here are answers as to why this happens and what you can do about it.

Working With Live Rock
There are a number of "Do's" and "Don'ts" when working with live rock, particularly when curing it. Following these guidelines will help you to install your new live rock in your marine aquarium with the least amount of fuss.

Live Rock
Live rock is not just a pile of rocks in an aquarium. Live rock not only provides houses for tank critters, it also serves as a biological filter base and platforms for corals, anemones and coralline algae. Most people have at least some live rock in their marine tanks while true reef tank enthusiasts have a lot of it in their tanks and...

How To Cure Live Rock
There are a number of methods for curing live rock for your marine aquarium. While you can usually save some money by purchasing uncured live rock, you may find the savings are not worth the extra work and headaches. If you decide to cure your live rock, here are several ways to do it.

Live Rock F.A.Q.s
What is Live Rock? F.A.Q.s explains what live rock is, where it comes from, what curing is, what curing does and more.

Buying Live Rock for Your Marine Aquarium
For most people obtaining live rock for a saltwater aquarium, there are two basic choices: Buying online, or buying from a local supplier (LFS).

Rock Grades For Propagating Live Rock
By Richard Londeree, here is some information on rock grades, or types, used for aquaculturing live rock.

How to Cure Live Rock
Part 4 of your Guides series on live rock discusses various aspects of how to cure live rock, and outlines the most common or standard method used for curing it.

Rock Grades and Making Your Own Live Rock
Your About Guides to Saltwater Aquariums discuss how not all grades of rock are conducive for aquaculturing live rock, and how to choose the right type of media for making your own rocks for live rock cultivation.

How to Cycle a Tank With Live Rock
From start to finish, here are instructions from your Guides on how to set up and cycle a new tank with live rock in 10 easy steps, which includes details about how to aquascape the tank and arrange the rocks in Step 5.

When Is Live Rock, Live?
Having the opportunity to work in the fish department at the Animal Jungle Pet Store in Kinston, North Carolina has given rise to many interesting questions from customers that want to start a saltwater aquarium. A particular question that we hear often is, when is live rock is, well, live, which is a very good one. Read the following statements and see if you agree or disagree on these points about live rock, then participate in our live rock topic poll to let us know what you think.

How To Preclean Live Rock Before Using It
When uncured and even "so-called" cured live rock is first placed into an established saltwater system, is being cured or used to cycle a new aquarium with, some degree from light to heavy die-off of the organisms that reside on and inside the rocks will occur. The build-up of this dead or dying organic matter creates ammonia, so to help lessen excessive ammonia spiking problems, as well as shorten the curing time of the live rock, here is a simple way to preclean the rocks before using them.

Poll - When Is Live Rock, Live?
The issue of when live rock is, live, is often discussed and debated amonungst saltwater and reef aquarists. What do you think? Participate and view the results of this poll, when do you consider live rock to be live?

How To Cure Live Rock in a Separate Curing Set Up
The breakdown of the organisms that reside on uncured and even cured live rock contributes to the accumulation of excess organic matter in any saltwater aquarium system. In turn this will cause a build-up or spike in ammonia, which you do not want. To help avoid this and other problems that can arise, here is a standard method for curing live rock BEFORE placing it into an established or a newly set up aquarium for use. It's easy to do, beneficial, and takes just a few items to set it all up.

How To Cure Live Rock in a New Saltwater Aquarium
Curing live rock in a separate curing setup is the best way to handle it before placing it into a new saltwater system you are just starting. Unfortunately this is not always practical for everyone, as you may not have the extra room or equipment to do so. If the only container you have to work with to cure live rock in is the tank you are setting up as your main aquarium, here is a simple way to cure it inside the aquarium, preferably before you add substrate and start aquascaping the rocks.

Cured, Precured, or Seeded Live Rock?
Cured, precured, seeded - what does it all mean? Part 2 of your Guides series on live rock explains what these and other related words that refer to live rock mean, as well as defines what "curing" pertains to.

Buying Live Rock
Part 5 of your Guides series on live rock covers buying points on what to look for, and questions you should ask when purchasing live rock either locally or online.

Working with Live Rock
Part 3 of your Guides series on live rock provides a list of suggested guidelines to keep in mind when working with live rock, which should be read before you start buying and curing it.

What Is A "Berlin Filter"?
Berlin filters have been used for years in reef tank systems. This filtration system is most popular with reef tank purists, but its simplicity and low cost makes it a winner for beginners and experts alike.

Arranging Non-Living & Live Rocks - Aquascaping Rocks Help Tips
The rocks you put into an aquarium are not only decorative, but they provide housing for the fish and other animals in the tank, shelter against agression that may occur from other tankmates, and are an important biological filtration source. Here are some helpful tips on what you can do to arrange either non-living or live rocks in a saltwater system for maximum efficiency when you are aquascaping or arranging rocks in your aquarium.

Raising Rocks Off-the-Bottom of the Tank - Aquascaping Rocks Help Tips
Before you add substrate to your saltwater aquarium and start arranging or aquascaping either non-living or live rocks you are planning to put into it, you should first consider raising the rocks up off-the-bottom of the tank. Why? Because by doing this the rocks will be somewhat elevated above the substrate itself, which provides several benefits to the health of your aquarium in the long run.

Aquascaping Live Rock
Step 5 of your About Guides "How To Set Up a Saltwater Aquarium in 10 Easy Steps" article has many tips about how to aquascape and arrange live rock in a tank.

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