By Dan Armitage, host of Buckeye Sportsman, Ohio’s longest running outdoor radio show
Success! Stretching out in an 180-gallon stock tank, my bride and I (finally) soaked in 104 degree water watching the sun set over the Kokosing River last weekend in our homemade hot tub. To boost the DIY rig’s heating capacity, I wrapped the propane heater’s “chimney” with a piece of sheet metal to partially block the vents in order to better contain and concentrate the heat on the copper tubing I coiled within. Then I added a small 12-volt pump to the cool-water outflow from the tub to help circulate the water through the super-heated piping and Voila! Inside an hour we had 104 degree temps and actually had to turn off the heater when the water got too hot.
No, it’s not totally off the grid, thanks to the tiny 12-volt pump ($12 on eBay) that we hooked up via its transformer plug to a ground fault interrupter-wired receptacle.… Continue readingRead More »