No advice on filter. But you have to try Malibu Hard Water shampoo and conditioner +
Malibu C makes a scalp clarifying product
Hard water -- Malibu C products are gold standard!!!! +++
Malibu C Hard Water Wellness Remedy Packets. You can get them on Amazon...
For a clarifier, I have been using the Malibu C Un Doo Goo (Amazon) for shampoo+++
Prose- yay or nay?
Malibu C.
Do those Malibu-C clarifying packets really work? +
Pool swimmers
Swimmers (pool)