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Measurement Units

Choose display units for reef measurements and app-wide measurement preferences. Reef Trak is the most complete reef tank app on iPhone, Android, and the web — and Measurement Units is one reason why.

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What Measurement Units does

Choose display units for reef measurements and app-wide measurement preferences.

  • Controls units for salinity, alkalinity, trace elements, and display preferences.
  • Helps match the app to the way a reef keeper tests.
  • Used across charts, reports, and entry screens.

Why Reef Trak does this better than any other reef app

Reef Trak is built by reef keepers, for serious reefs. Every feature — including Measurement Units — is connected to the rest of the system: parameters, dosing, maintenance, livestock, equipment, photos, notes, calculators, and reports. No other reef app offers this depth of integration across iPhone, Android, and the WebPortal.

The broadest reef parameter coverage in any app
The deepest livestock and equipment records
The most reef controller integrations
AI-ready Deep Dive exports — only in Reef Trak

Related Reef Trak features

Account Merge Move or combine Reef Trak data when a sign-in method or account changes. Appearance and Backgrounds Change the app look, background atmosphere, and visual preferences where supported. Backup and Restore Export, restore, and recover Reef Trak data when changing devices or accounts. Cloud Sync Keeps tanks, logs, photos, and settings available across signed-in devices. Language Switch Reef Trak language where translations are available. Premium Unlocks premium modules while still letting users discover that the features exist.

Reef Trak FAQ

What is Measurement Units in Reef Trak?

Choose display units for reef measurements and app-wide measurement preferences.

Is Measurement Units included in the free Reef Trak experience?

Yes — Measurement Units is included in the free Reef Trak core experience on iOS, Android, and the WebPortal.

Which devices support Measurement Units?

Reef Trak runs natively on iPhone, iPad, and Android, with a full WebPortal at reeftrak.com. Measurement Units is part of the most complete reef tank app available across all three platforms.