Will adding LR kick off another cycle???

[viking]

My tank has been cycled and I have a clown in there now with a small clean up crew. They have all been doing well for about three weeks (the clown is a pig). I want to get a little color in the tank so I was going to start with some easy coral like mushrooms or zoas. Before I do so I want to beef up my live rock situation.

My question is if I buy cured live rock from my lfs, transport it in a bucket of saltwater and put it in the tank as soon as I get home will there be any die off or will there be a second cycle?


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[JayM]

if the LR is cycled, it won't cycle in your tank.

you may get a little algae bloom from some die-off, but not a cycle

 

[Skeeter7424]

Yeah a slight die off may occur. But not enough to cycle again. As long as you aren't triple-ing your rock weight, the biological filter already established should be able to hand any die off changes!

Jordan

 

[aries426]

Just make sure all of the rock is cured or you will run into a problem.

Chad

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[Jocko]

What proportion are we talking about? How much new live rock going in vs. existing live rock. If it's relatively small it should be fine anyhow. If it's a large amount, then if you really want to be safe, and if it's an option, maybe buy the rock in 2 or 3 batches and add them a week apart or something.

 

[viking]

I have 20 lbs in a 29 gallon now and wanted to put in another 10. Maybe I should do 5 lbs this week and 5 lbs next week? I called the lfs today and they assured me that their LR is cured. I wonder if the LR never really hits the air for more than a few minutes if it will cause die off? Thoughts?


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[MofoCorals]

If the rock is already cure you should be fine.