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I was skeptical about sprays, but this one's fine mist actually makes it easy to get the 30 ppm dose without any metallic aftertaste. It's become part of my morning routine and I've noticed I feel a bit more resilient during cold season.

The 30 ppm strength feels right for daily use, and the spray disperses evenly without any dripping mess. I’ve been using it for a couple weeks now and appreciate how pure and oxygenated it is, though the bottle could last longer for the price.

The 30 ppm concentration per serving feels noticeably more potent than weaker sprays I've tried, and the 99.999% purity gives me confidence in what I'm putting in my mouth. It's become part of my morning routine when I feel a scratchy throat coming on.