Hydro Diagnostics is a Stockholm-based biotech startup making rapid, on-site testing for bacteria in water. Its pregnancy-test-style kit — a concentration filter plus a lateral-flow test cassette read by an AI-powered mobile app — detects organisms such as Legionella and E. coli in about 30 minutes, where conventional lab analysis takes 10-14 days. Founded by Erik Wåhlin and Kevin Siu after the COVID-19 pandemic, the company primarily serves property owners and managers responsible for water safety under EU directives, selling test kits on a recurring basis with production handled by a partner in Belgium.
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Oct 1, 2026
Latest raise
Funding activity · 1 round
Oct 1, 2026
SEK 3.4M
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