Once a year, either at end of season or before sanitizing your water system do this to remove 99% of lime buildup in the water heater:
1. Drain the water heater and replace annode or plug. Do NOT bypass water heater
2. Fill the water heater with a solution of 50/50 water and white vinegar. (use whatever method you have for filling system with anti-freeze. Intent is to fill water heater with the solution. Since the water heater is empty, the solution will first fill it. (Open the pressure relief valve until full)
3. Either turn on water heater and wait 1-2 hours or let sit overnight.
4. Open the relief valve.
5. Drain water heater and flush thoroughly.
If you do a web search, there are severl u-tubes on this process. Vinegar solution will not harm you or the WH, and any residual taste will disipate quickly.
Save the Earth. Itís the only known planet with Beer
Flagstaff 26FKWS / 2019 F-150 3.5 EcoBoost SCrew