Diy Garden Sprayer Shower . We got this garden sprayer to use as a shower in our truck camper the last time we were out in it (spring 2019). On one of the videos i watched someone. DIY Outdoor Heated Shower Poppytalk from www.poppytalk.com How to build your own diy outdoor shower for under $30 1. We got this garden sprayer to use as a shower in our truck camper the last time we were out in it (spring 2019). Then, cut the 1″ × 4″s into.