These days, humans have gotten all fancy-schmancy with their gas and electric water heaters. Heck ... thanks to a fire burning away in the barrel stove of [Lou’s] own construction.

There are a lot of commercial solutions for greenhouse heating, but if you’re the kind of person who research and develops solutions for aquaponics, a greener solution may have more appeal.

If you’ve never flushed your water heater, or haven’t done it in years, you could be in for a nasty surprise—in the form of sediment build-up ... vacuum hose and fire up the vacuum.