There`s just a simple `trick `to it.Jeff Brimble phoned me up a
Few years ago now,Jeff`s the master at this really.He`s 6 garage
Roofs or something or so,collects hundred`s of liters at a time.
I collect mine at 000ppm,after a couple of day`s it does climb
To about 002 ppm sometimes it stays at 001ppm though.
Then I just put it th`ru`some resin to polish it down to 000ppm
At which it stays till used.
Sometimes I use it as it comes outta the sky,lovely and soft,
Unteated rainwater.
Lewis Doubtfire