A person in a raft sampling water quality against a rock face
Sampling water quality in the field. The work starts with a reading.Photo: USGS, Unsplash

Why the name

"Alchemal" points straight at the thing this category is famous for: promises that sound like magic. We chose the name because it obligates us to be the opposite. What we do is oxygen, restored to the whole water column, with the water's own data deciding whether we did what we said.

What we believe

The people

This page will name the team and our scientific advisors, with real credentials, because they'll be reviewing the health-adjacent content on this site before it publishes. We don't list people or titles before they're real, here or anywhere.

Where to test us

Read how we measure, the rules every number on this site has to pass, or start with an assessment. The first thing that happens there is a measurement of your water.

See what your water is doing.

An assessment starts with a measurement. A specialist profiles your water and you keep the numbers.