My urchin died and all of my corals are closed up

rvlcf

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Do i need to do a water change asap? Thanks in advance.
 

wadesims2000

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Um I would and run a double dose of pureit from brightwell
 
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rvlcf

rvlcf

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Does anyone know if they release anything toxic upon death?
 

Cory

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Ime they decompose quickly. That would produce some ammonia and hydrogen sulphide. Those are not good. Just make sure you remove the dead urchin and prepare for a slight rise in nitrate.
 
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rvlcf

rvlcf

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Removed urchin and did a 30% water change and changed carbon. Haven't tested for ammonia in years.
 

Randy Holmes-Farley

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Removed urchin and did a 30% water change and changed carbon. Haven't tested for ammonia in years.

FWIW, a 30% water change isn't as useful as something to deal with ammonia.
 
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