I just purchased the Pro Series 14' x 42" above ground pool, this is the first real pool we have ever owned. I am confused the about the chemical part of getting this pool ready. I don't know how much chlorine to use, I plan on getting the 1 inch tablets. Is chlorine the only chemical I need or do I need to other stuff too? Do I put it in daily or weekly? Also I do use the chlorine do I need to put it in the filter or buy one of those floater things. The pool is 3,300 gallons. I want this pool to last as long as it possibly can and I don't want to mess that up with using too much or too little and ruining the pool. Please help!