Water & Hydration Guides

Chlorine in Shower Water: What It Does to Your Skin and Hair

Chlorine in Shower Water: What It Does to Your ...

Holy H2O

Dry, tight skin after every shower. Hair that gets duller, more brittle, and more prone to breakage every month. Colour that fades weeks faster than it should. Eczema flares that...

Chlorine in Shower Water: What It Does to Your ...

Holy H2O

Dry, tight skin after every shower. Hair that gets duller, more brittle, and more prone to breakage every month. Colour that fades weeks faster than it should. Eczema flares that...

What's Actually in Your Shower Water? The 2026 Australian Guide | HolyH2O

What's Actually in Your Shower Water? The 2026 ...

Holy H2O

The average Australian showers for 8 minutes a day — breathing steam, absorbing water through open pores, and saturating their scalp with whatever the tap delivers. Most people now filter...

What's Actually in Your Shower Water? The 2026 ...

Holy H2O

The average Australian showers for 8 minutes a day — breathing steam, absorbing water through open pores, and saturating their scalp with whatever the tap delivers. Most people now filter...

Can Water Filters Remove PFAS? What the Research Shows

Can Water Filters Remove PFAS? What the Researc...

Holy H2O

A landmark Duke University study tested 76 home water filters for PFAS removal. Pitcher filters did almost nothing. Whole-house carbon filters sometimes made things worse. And the technology most commonly...

Can Water Filters Remove PFAS? What the Researc...

Holy H2O

A landmark Duke University study tested 76 home water filters for PFAS removal. Pitcher filters did almost nothing. Whole-house carbon filters sometimes made things worse. And the technology most commonly...

Best Water Filter for PFAS Australia 2026: Skip the RO Hype

Best Water Filter for PFAS Australia 2026: Skip...

Holy H2O

Reverse osmosis has become the default recommendation for PFAS removal — but for most Australians in guideline-compliant supply zones, it's an expensive, wasteful, and mineral-stripping sledgehammer for a problem that...

Best Water Filter for PFAS Australia 2026: Skip...

Holy H2O

Reverse osmosis has become the default recommendation for PFAS removal — but for most Australians in guideline-compliant supply zones, it's an expensive, wasteful, and mineral-stripping sledgehammer for a problem that...

PFAS in Sydney, Melbourne & Brisbane Tap Water: The 2026 Data | HolyH2O

PFAS in Sydney, Melbourne & Brisbane Tap Water:...

Holy H2O

Sydney has detected 31 PFAS types in its tap water. Brisbane's primary treatment plant found PFOA at nearly 10 times the US EPA limit in raw source water. Melbourne's mountain...

PFAS in Sydney, Melbourne & Brisbane Tap Water:...

Holy H2O

Sydney has detected 31 PFAS types in its tap water. Brisbane's primary treatment plant found PFOA at nearly 10 times the US EPA limit in raw source water. Melbourne's mountain...

What Are PFAS "Forever Chemicals" and Are They in Your Tap Water? | HolyH2O

What Are PFAS "Forever Chemicals" and Are They ...

Holy H2O

PFAS — per- and polyfluoroalkyl substances — are a family of over 12,000 synthetic chemicals that have been used in manufacturing since the 1940s. They don't break down in the...

What Are PFAS "Forever Chemicals" and Are They ...

Holy H2O

PFAS — per- and polyfluoroalkyl substances — are a family of over 12,000 synthetic chemicals that have been used in manufacturing since the 1940s. They don't break down in the...