how to clean?

coffey18

Member
ok so i just got back from trade fair you guys were right he had exactly wghat i needed. However the containers i bought were used. They don't sell new one's. So my question is how do i clean them? Do i just rinse with fresh water or is there some type of solution i can mix up? just want to make sure i don't kill my fish with contaminated water.
 
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