I'm putting a 78"x42"x30" hot tub and I wanna use pavers, so I have dug out 98"x63"and i dug down 12", so I have done a little searching on the computer to see what I needed to do. So many possibilities, can you advise me on my materials for my base, I live in the midwest, so there will be different climates throughout the year. What I was planning on using crushed limestone(not sure on the depth) then sand not sure on type or types and how much I need.I'm wanting to put 16"x16"x2" pavers,just to let you know.