Solid stain can be applied over semi transparent.
Semi-solid deck stains hide the wood grain and natural color.The stains give more UV protection than a semi-transparent and are a better representation of the stain's actual color.Solid color stains will film on top of the wood, making it look like paint.
Can you stain a light stain with a dark stain?The natural grain of the wood can be seen through most stains.You can't get a lighter color by applying a light stain over a dark stain.A chemical stripper can be used to remove the original stain.
There is a big difference between a semi-transparent stain and a solid stain.There are semi-transparent stains that impart some color on the wood while still allowing some of the grain to show.Solid stains cover the wood grain.
The best solid deck stains are Restore-A-Deck.There is a review of Restore A Deck Solid Color Stain.The rating is Defy Extreme Solid Stains.A review of a solid color stain.The Flood Pro Series has a solid stain rating.There is a review of the Flood Pro Series Solid Color Stain.