"I own and operate an exterior wood restoration company. I use this product on every deck I restore. Over time, your wood becomes darker and darker by year. So when you pressure wash your deck, it will not look like a newly built deck when you're finished. Instead, it may look grayish and still dirty even though it's a 100% clean.
I use a 2 gallon pump sprayer to apply this product, about 60% water to 40% Revive mixed. The results are night and day. You'll go from an old, beat up looking deck to one that appears to have been build in the last year or so. This product is one that I highly recommend."