Stainless water tank under swim platform

The grey water tank is still installed. At this point it will be left alone. I figure the transom tank would be around 700 gallons. The freshwater tank we removed was 300 gallons.

 

samsam that is very interesting. I will look into that. The chalky buildup may very well have been caused by water quality or neglect. In planning this project we would like to use the very best materials possible that prevent these problems.

 

I added to my post above, showing the regulation.