Greenblu
Hamilton, US · Delaware corporation
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Tidal Metals uses patented technology to extract magnesium from seawater or desalination brine using electricity, aiming to establish domestic U.S. primary magnesium production. Its magnesium targets defense, aerospace, automotive, and advanced manufacturing supply chains that depend on the metal.
Founders & leadership


Reported raises · per SEC filings
Form D private placements$7.5M disclosed across 2 rounds · 2024
▶$2.5MraisedApr 2024 · 2 investors · ManufacturingRule 506(b)
- Michael BlatzDirector
- Earl JonesDirector
- Kevin TritzExecutive Officer, Director
- Howard YuhExecutive Officer, Director
- Offering amount
- $2.5M
- Amount sold
- $2.5M
- First sale
- Apr 2024
- Incorporated
- Corporation, Delaware
- Federal exemptions
- 06b
▶$5MraisedJan 2024 · 7 investors · ManufacturingRule 506(b)
- KEVIN TRITZExecutive Officer, Director
- HOWARD YUHExecutive Officer, Director
- Offering amount
- $6M
- Amount sold
- $5M
- Incorporated
- Corporation, Delaware
- Federal exemptions
- 06b
Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.
Non-dilutive funding · 1 SBIR/STTR award
Federal grants — no equity taken| Agency | Phase | Year | Amount |
|---|---|---|---|
| Department of Energy | Phase I | 2019 | $200K |
Source: SBIR.gov award data (U.S. Small Business Administration). SBIR/STTR awards are competitive federal R&D grants and contracts — non-dilutive capital alongside any venture rounds above.
Frequently asked questions
- What does Greenblu do?
- Tidal Metals uses patented technology to extract magnesium from seawater or desalination brine using electricity, aiming to establish domestic U.S. primary magnesium production. Its magnesium targets defense, aerospace, automotive, and advanced manufacturing supply chains that depend on the metal.
- How much funding has Greenblu raised?
- Greenblu has disclosed $7.5M raised across 2 rounds.
- Where is Greenblu headquartered?
- Greenblu is headquartered in Hamilton, US.