There are too many different ways to make your own water. Only to use pollen filters on the intakes and cover the tanks to keep dust and bugs out. Most important!! Simply learn the idea of getting water out of the air with any means, glass, metal, nets, plastic, and then make the system you can afford, use and repair yourself. Here is a PDF from my collection and some videos from youtube for learning.I thought distilling water was the best way of cleaning water...I suppose I can boil it..what is best way?
https://www.youtube.com/watch?v=ksOr7lX_RVU