Hi I am using hydra 50.
When I was at Lfs, I realized that stream 3 is so much priced abv hydra 50.
Why the difference?
Hydra from the looks of the internal, is water passes thru the corse foam, then to the Cataylic media, between the 2 electrode plates, then out by pump.
Steam internals ?
Care to show any cross section of it?
How to change the media when due a yr?
If I want to change to stream model for my 522, which stream model?
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