Park your trailer so that the back door is going downhill.,
Spray it “down”.,
This is so the water will flow out.;
, Using a flat shovel, scrape out the trailer. Begin at the front of the trailer and push the waste to the back and out the door.
, Hose them off and let them dry outside the trailer.
, Using a hose with a high pressure stream, and again working from the front to the back of the trailer, hose down from the ceiling to the sides before using the water stream to push the waste out the door.