- 1). Mix a solution of 1 gallon of warm water and 4 tablespoons liquid detergent soap.
- 2). Pour the solution over the Trex planks.
- 3). Scrub the Trex with the brush in the direction of the planks.
- 4). Rinse the deck clean with water from a hose.
- 5). Repeat steps 2 through 4 if necessary.
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