Anna Hutchins wrote:That is quite an elaborate build! What do you plan on storing in that blue barrel? Food and water? Sorry you have to deal with a conflict that isn't yours. I'm praying it won't hit your property.
John C Daley wrote: I dont think you will need to clean the settling tank, if you clean it with a pump.
I have seen a tank cleaning service, where they poke a vacuum type nozzle into the tank and remove a small amount of water with any sediment.
It seems to use about 20L of water.
That may work for you.
As mentioned bacteria build up does not appear to be an issue.
Thinking about your second tank, perhaps a plastic tank liner is the best system.
Its a heavy duty flexible liner that would be made to size.
My concern with that tank will be hard to make impervious.
Do you have a trick for that issue?
I have seen them plastered with a mixture, it may be available to you.
The total volume is great.