Bonus video showing how the PV solar water heater got the water to over 170 degrees before noon.
Channel: OpenSource Shipping Container
Date: 19/01/2020

January 19th and this water got really hot. 



After I mixed it, the water in the whole bucket was 90 degrees. 



We need to find a good water heater to put this in so we have insulation and we don't lose so much heat to melted plastic and ambient temperature.