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.
You filter your water to remove contaminants — but if your filter housing is plastic, it may be adding some back. Here's the science on BPA, BPS, microplastics, and why...
You filter your water to remove contaminants — but if your filter housing is plastic, it may be adding some back. Here's the science on BPA, BPS, microplastics, and why...
Tap filter, jug filter, or gravity benchtop — each works differently and suits a different household. Here's an honest side-by-side for Australian homes in 2026: filtration performance, 12-month cost breakdown,...
Tap filter, jug filter, or gravity benchtop — each works differently and suits a different household. Here's an honest side-by-side for Australian homes in 2026: filtration performance, 12-month cost breakdown,...
PFAS — 'forever chemicals' — have been found in Sydney tap water, near airports, military bases, and industrial sites across Australia. The NHMRC tightened guideline values in June 2025. Here's...
PFAS — 'forever chemicals' — have been found in Sydney tap water, near airports, military bases, and industrial sites across Australia. The NHMRC tightened guideline values in June 2025. Here's...
Most Australians assume tap water is either perfectly fine or that any filter will do. Neither is quite right. This guide explains what tap water filters actually remove, what NSF...
Most Australians assume tap water is either perfectly fine or that any filter will do. Neither is quite right. This guide explains what tap water filters actually remove, what NSF...
Reverse osmosis is thorough, but for many Australian homes a matched water filter is more practical. Here is how to decide based on what you actually want to remove.
Reverse osmosis is thorough, but for many Australian homes a matched water filter is more practical. Here is how to decide based on what you actually want to remove.
A tap filter is the quickest way to better water in an Aussie kitchen. What separates a good one from a cheap one, which taps they fit, and when to...
A tap filter is the quickest way to better water in an Aussie kitchen. What separates a good one from a cheap one, which taps they fit, and when to...
