If you are starting a saltwater aquarium you are going to hear people talking about live rock. This term is confusing, after all what could be alive on a rock? If you are interested in this subject, keep reading and about the role live rock plays in a reef aquarium.
What Type of Live Rock Should I Buy? Use a mix of different Live Rock. Using larger, denser pieces towards the bottom of structures will provide a strong base. Then add more porous and interestingly shaped pieces for the middle and top. Make sure the rock structure is stable and will not fall over if bumped. Avoid buying pieces that are boulder shaped as they are very dense and are difficult to stack.
Where Can I Buy Live Rock? Live Rock can be purchased at many marine fish aquarium specialty stores or also online. The advantage of buying in person is your ability to hand select each piece. You will find better deals by shopping online. The best is advice is to compare what your local fish store has in stock compared to what is available on the internet.
Can I add Live Rock to an existing aquarium? You can keep adding rock to an establish aquarium or to a tank that already has some rock. Just be sure to add cured live rock that has stopped decaying. This rock is typically a little more expensive, but you don't want to risk your fish and corals to an ammonia spike. You should carefully examine these pieces of rock for any bad critters like aiptasia, mantis shrimp or gorilla crabs. If you buy used live rock, this tip is especially important as you don't want to inherit someone else's problems.
One of the best tips for starting a saltwater aquarium is to purchase live rock with many different shapes and sizes. This will allow you to be flexible when designing your reef structure. Other than buying live rock online, you can check your local classifieds or join a local reef club. You might be able to find some wonderful deals.