Thinking of adding the intex salt system ( I have one I used from last years intex)...can it be done also what do I need to do it(adaptors,hoses,etc)...is it worth it...also since I live in NY.am thinking about a heat pump..any opinions( I see them on Craigslist pretty reasonable)...my installer mistakenly put a 3/4 hp reliant sand filter on my pool when I went to store they said that was more than enough for my 15' round by 52"...I originally was supposed to get a 1 HP...but I kept 3/4 as it seems to be doing the job...thanks