Thank-you for the very informative response.
I believe have the shale like stone (multi colored, pretty, could be glittery and most likely softer and flakier) that is more widely available and less expensive? Funny, the wet look sealer from Home Depot they claimed it would work outside and last, as you mentioned did not work or last long.
I live in Southern California and my patio is covered and blocked by two walls. With that said, it does recieve sun light and I wash & hose it down when we spill beer on it.....
.......... We do not get much rain here at all.
By reading your response, it looks like I could use an impregnating enhancing sealer. Do you know or have one you prefer. The money is something we are not worried about being its extra work to move all the furniture off and apply 3 coats and not be able to use the patio. ( We do live in So Cal LOL )
Thx in advance for you help.