sprayer nozzle from fresh water tank

I have an idea that works pretty well. Like I've said before, most of my ideas and mods come from this site. It has been very helpful in making my camper mine. Here is another idea that I like. We do a lot of dirtbike riding, dry camping. At the end of a weekend, we pack everything up, excuse me, I pack everything up and the kids watch me. and after a long drive home, I again, unload the bikes from the trailer, wash them, pack them back in, then back up the trailer on the side of the house. My Idea was to put a garden sprayer, pressure nozzle, on my camper. As I've seen in toy haulers. Then before I pack up the bikes, I can wash them. saving me a washdown at home. Yes I understand im using my water supply, when dry camping, however, I always have water left over, I always leave it in the tank, then simply top it off before the next trip. I also hear plenty of people dumping their water, not carry it home. I'm just having a use for the water, rather than just dumping it, why not use it? I simply used the low point in the cold water line in the back of the camper, added a 1/2" barbed coupling, a 10' clear plastic hose, a 1/2" barbed to 3/4 male threaded, and a $5 garden sprayer from the local hardware store. the pressure is great! almost like house pressure. the sprayer shoots water past the front of the truck, from the back of the camper. Here are a few pics.