Practical, research-backed guides on filtering your tap water, shower and bath, what's actually in your city's supply, and the science of hydrogen water. Written in Sydney by the HolyH₂O team.
Chlorine is added to every Australian municipal water supply — and for good reason. It kills bacteria and keeps water safe from source to tap. But it also affects the...
Chlorine is added to every Australian municipal water supply — and for good reason. It kills bacteria and keeps water safe from source to tap. But it also affects the...
A 2025 registered RCT found hydrogen water significantly reduced cravings, improved sleep quality, lowered cholesterol, and raised GLP-1 levels in obese adults. Hydrogen Water and Weight Loss: What the...
A 2025 registered RCT found hydrogen water significantly reduced cravings, improved sleep quality, lowered cholesterol, and raised GLP-1 levels in obese adults. Hydrogen Water and Weight Loss: What the...
Perth tops the list at around 179 mg/L, with Adelaide second at 134. Most other capitals are soft or very soft, which catches a lot of people out. Here's hardness...
Perth tops the list at around 179 mg/L, with Adelaide second at 134. Most other capitals are soft or very soft, which catches a lot of people out. Here's hardness...
The "8 glasses a day" rule has been repeated so often it feels like fact — but it was never based on rigorous research and it doesn't account for your...
The "8 glasses a day" rule has been repeated so often it feels like fact — but it was never based on rigorous research and it doesn't account for your...
Exercise recovery is one of the most consistently supported uses of hydrogen water in the research literature. Studies repeatedly show lower lactate, reduced oxidative stress markers, and less perceived fatigue...
Exercise recovery is one of the most consistently supported uses of hydrogen water in the research literature. Studies repeatedly show lower lactate, reduced oxidative stress markers, and less perceived fatigue...
Hydrogen water and alkaline water: similar in name, very different in science. Hydrogen Water vs Alkaline Water: What Is the Difference? By Holy H₂O · Updated May 20, 2026...
Hydrogen water and alkaline water: similar in name, very different in science. Hydrogen Water vs Alkaline Water: What Is the Difference? By Holy H₂O · Updated May 20, 2026...
