I recently discovered this forum and am learning a lot. Thanks to all who contribute here!
I have a 15 year old house in western Michigan that I would live to convert to geothermal. Propane prices are horrible and the deliveries are a nuisance due to a long, hilly drive and lake effect snow. I have lots of land for a closed loop, and tons of water for an open loop.
I would like to try an open loop system to keep my initial costs down. I could potentially convert it to a closed loop in a year or two if it proved problematic. The biggest obstacle I have is water quality. We have tannins in the water and a modest amount of iron.
My question is whether there is something that could be done to improve my water quality. I recently met someone that was running their geothermal unit through their water softener. This sounded nuts to me, but it did cause me to wonder whether there is a compromise here. Assuming I only want to improve the water enough to avoid scaling (not necessarily drinking quality), is there a cost-effective way to do so? Is there another out-of-the-box approach that I might be missing?