Are shower head filters worth it , ? I was thinking does the stones or what ever used actual had impurities them selves and that can add to the water? Are any of these okay ? or does anyone have any suggestions for uk
https://www.amazon.co.uk/Function-I...jbGlja1JlZGlyZWN0JmRvTm90TG9nQ2xpY2s9dHJ1ZQ==
Osmio Vitafresh Handheld Vitamin C Shower Filter
https://www.amazon.co.uk/miniwell-S...lja1JlZGlyZWN0JmRvTm90TG9nQ2xpY2s9dHJ1ZQ&th=1
https://www.amazon.co.uk/Function-I...jbGlja1JlZGlyZWN0JmRvTm90TG9nQ2xpY2s9dHJ1ZQ==
Osmio Vitafresh Handheld Vitamin C Shower Filter
https://www.amazon.co.uk/miniwell-S...lja1JlZGlyZWN0JmRvTm90TG9nQ2xpY2s9dHJ1ZQ&th=1