yup, agreed. You can even go the way of a cheap RO unit on a designated tap, if you are in it for the long haul. Once installed it'll be easier then having to go the shops weeklyIf you have a pet shop near you that stocks marine fish they will usually be able to supply reverse osmosis filtered water for a quid or so to fill whatever container you supply.
RO water should be fine. I used to keep a big marine tank & had the kit to generate RO water, we had a Dogue de Bordeaux with a skin problem (Hugo, now sadly gone). He had a weekly bath in RO with a prescribed oatmeal shampoo & it worked wonders. A hypoallergenic food helped too, brands that worked for him were Autarky & also Burns
Jg
Not suitable for consumption by any means, it will have traces (in strong quantities) of the soaps and whatnot used in the wash cycle. I use my condenser dryer water in my iron as it stinks to high heavens of the softeners used by the wifeIf you have an unvented tumble dryer or washer/dryer, the by-product is distilled water.
From the thumbnail I thought he had some sort of growth on his chops caused by drinking normal water....
My mutt is alergic to grass ffs. The cone is a regular occurrence here too.