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did I make a mistake?

448 views 2 replies 2 participants last post by  joerich25 
#1 ·
I have a fowlr tank and I also have a few fake coral decorations In the tank. they got very dirty and I removed 2 of them and rinsed them off in fresh water ( I know< I should've used RODI). couple of questions. questions: 1- could those decorations have become "live" from being in the tank? 2- if so then did I kill off any bio? 3- if I put back in the tank will I get an ammonia spike?
 
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