Post Cycle water change

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Cokepelli

Aquarium Advice Newbie
Joined
Dec 10, 2018
Messages
6
Location
Ohio
So now that I have completed cycling my tank and am going to be doing a large water change today, I have a question. I know we need to add a dechlorinator to the new water. (I have Prime) Do I add it to the tank before the fresh water is added or after it is in the tank. I don't want to upset the BB that I have so patiently been waiting to develop. Thanks.
 
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