What are the most important things one should know about owning a gunite pool?

I would call your local pool supply store and ask if they provide a "pool school" great information to be had there. - Brush it often - Keep the PH level JUST BARELY on the alkeline side - Brush it often - Remove debris (leaves) from the bottom or you could get brown stains - Brush it often - Keep the sanitizer (chlorine) levels correct, alge loves the porus gunnite