Rock directly from the Ocean?

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Aaron75

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Ok so Live Rock is the preferred rock, we can basically all agree on that. Typically we buy live rock from a website or LFS. Can you just go take rock from the ocean and add it to your tank? Should that ocean rock be from a warm water ocean or does it matter?
 
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Ok so Live Rock is the preferred rock, we can basically all agree on that. Typically we buy live rock from a website or LFS. Can you just go take rock from the ocean and add it to your tank? Should that ocean rock be from a warm water ocean or does it matter?
You will want to know what the legal situations for your country is first. If you are allowed to take things from the ocean and it is a warm water sea you’re taking said rock from then yes you will be able to do it.
You will want the rock to be from a Warm Water Ocean if it is a Tropical Marine Tank. If it’s a Coldwater Marine Tank then you’ll want to take the rock from a cold water sea. The reason for this is to do with the nitrifying bacteria needed being different.
 

Lynnzer

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You will want to know what the legal situations for your country is first. If you are allowed to take things from the ocean and it is a warm water sea you’re taking said rock from then yes you will be able to do it.
You will want the rock to be from a Warm Water Ocean if it is a Tropical Marine Tank. If it’s a Coldwater Marine Tank then you’ll want to take the rock from a cold water sea. The reason for this is to do with the nitrifying bacteria needed being different.
I keep hearing about the different bacteria between cold and warm and even freshwater yet if you look at many of the bacterial additive starters they say it's for use in marine and freshwater. I think that there may be bacteria with a preference for salt rather than freshwater, or even warm water instead of typical north sea temperatures, but if so then I guess that there's some of everything in every bottle.
I am using Aqua Care Bio Boost that shows it's for use in marine and freshwater but nothing about warm water or temperate.
 
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TangerineSpeedo

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Bacteria wise it shouldn’t matter and some small macros and inverts may go either way. But there may be certain things that will not, then you will have die off. That being said, I do have temperate rocks in my tropicals. The coraline, micro brittles, and pods and others do not seem to care.
 
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