After testing the AquaBliss HD replacement cartridge for 3 months in my hard-water hellscape (hello, Vegas calcium deposits!), I'm convinced this is the MVP of shower filters. The 48% denser media isn't just marketing fluff – my glass shower doors went from crusty crime scenes to wipe-clean surfaces.

The Good: Installation truly takes 60 seconds – just pop out the old cartridge like changing a lightbulb. Within days, my color-treated hair stopped feeling like straw, and that weird post-shower itch? Gone. The water pressure remains strong (unlike other filters that turn showers into sad drips).

The Reality Check: At ~$15 per cartridge, it's pricier than basic filters. In extreme hard water areas (looking at you, well-water folks), you might need replacements every 2-3 months instead of the advertised 6. Pro tip: Mark your calendar when installing – your skin will subtly tell you when it's time to swap (hello, sudden dry patches).

Unexpected Perk: My hairstylist asked what I'd changed after noticing less breakage. That sealed the deal for me – this isn't just about avoiding 'yuck,' it's legit haircare.