Good video on repairing leaky ponds. It's pretty general but he brought up stuff i hadn't heard of before. Another interesting note is the sidewalls at 30 degree slope. That's basically the same 2:1 slope Zach Weiss uses.
Sometimes the answer is nothing
This tiny ad isn't wearing any underwear - WOO!
A rocket mass heater is the most sustainable way to heat a conventional home
4
