Cold water water changes

  • We are currently upgrading MFK. thanks! -neo
I did the cold 20% water change today on all my tanks and so far all the fish are fine.
Thank you everyone for the advice and reassurance.
 
I do a 50-70% waterchange every other day straight out of my garden hose; water is cold as hell, it's heavily chlorinated, and probably not the best quality water but all my fishes seem fine, I just dump in 2 caps of prime then fill with the hose. After it fills and hits the sump then the heater kicks in. I keep stingrays and catfish. Maybe fishes are not as sensitive as people think.
 
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