The home · 5 min
Limescale, neither friend nor foe
Hardness, appliances, skin, taste: what limescale really does in your home — and what it is wrongly blamed for.
Water, explained without alarm: minerals, limescale, engineering. Every article is dated, sourced and proofread.
01The journal
One article at a time, dated and sourced — the journal grows with the seasons.
The home · 5 min
Hardness, appliances, skin, taste: what limescale really does in your home — and what it is wrongly blamed for.
Understanding · 6 min
Minerals, residues, units: reading a water analysis the way a technician does — and knowing what "compliant" really means.
Engineering · 5 min
Aboard the ISS, almost all the water is recovered and reprocessed by membrane — the same family of technology as under a sink.
Every claim published here is sourced at the end of the article — or marked as still to be confirmed.
02The letter
Understanding your water, caring for your home — four letters a year, without advertising.
03And then
Understand before you equip. When you are ready to measure, the analysis kit is complimentary.