[wvguy]

first the pressure treated lumber you buy is a copper based treatment. It has changed several times in the last ten years. I know for a fact that you do not want to wait a year before staining or sealing. Wood will start to show UV damage(graying) as soon as three months. My advice, give the deck a couple weeks after you have built it then stain it. Don't worry if the deck boards you are buying are wet, they are wet from water from shipping not from pressure treatment. Most of the lumber spend few weeks stacked together on rail cars in the rain, etc. So, give it a couple weeks then stain. Easy way to check if you don't have a moisture meter(which most people don't) is to sprinkle water on the deck if it absorbs with in two to four seconds you are ready to stain. Olympic products are for IMMEDIATE use on pressure treated wood. I am no fan of clears I have to say. I love a good toner or a semi-transparent oil stain. Olympic Maximum is a great stain for the price. Clears will always last the least amount of time no matter what brand, reason, they block the least amount of UV light. So, check out a nice light natural toner get yourself 3 good years before you have to get back to stain it again. Hope this helps you make a decision.