Hydrometers: the numbers
Everything below is computed from the 8 curated hydrometers we track - no estimates, no third-party data.
8Curated models
4Brands
Brand share of the curated catalog
Where these numbers come from
Counts and brand totals are pulled from the curated hydrometers catalog on every build - the same data behind the Hydrometers category page. Generic and unbranded listings are left out before anything is counted. Product data: updated 2 days ago.