I continue to see questions like this on yahoo answers about changing the ph of your aquarium.  New fish keepers will attempt to alter the chemistry of their water with whatever potion they find on the fish aisle of their pet store.  The reality is that almost anything you do to change the ph will be worse for the fish than the ph to begin with.

I was wondering I have a brand new Sterilite 106 QT. Plastic container it is clean My question is could I put my babies from mollies ,guppies,swortail in that so they would grow quicker.

It's important to understand that in most cases, fish that exhibit symptoms are very ill, and so it is normally important to act quickly.  Nearly every illness can be attributed to one (or more) of 5 things: