I will have to address this sooner of later, so might as well get the options kicking around the old cranium..
The pool is ~30 years old, and shows at least three surfaces - gunnite, plaster (?) and paint.
The house across the street had a spray truck of some sort come by and make it look shiny white. They also left their lights on and their deep-cycle batteries (also ~30 years old) died. I got them jummp-started and asked for a quote. Just standing in the FR, he asked if there was a spa. and then said $4K.
Don't know how much one needs to know about the situation to make an estimate, but I'm not likely to hire people who can't start their trucks.
One sprayer rig I saw with the name of a Pool Co on the door was loaded with bags of stuff labelled "White Cement".
Has "white cement" replaced "plaster" as the preferred top surface in the CA central valley?
How much more for one of the proprietary "pebble" surfaces? Any concern that such a finish is going to be the shag carpet/laminate floor/SS appliances, etc, of the industry?
Does the remaining plaster (or whatever) need to be stripped before a new top coat is applied? If so, how is that properly done?
If I'm looking to sell in 2-3 years, would paint be an option? Again, would old material need to be srtipped