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Calcium

Adjust, log, and review calcium. Includes the calcium calculator, parameter logging, target ranges, and calcium-supplement guidance. Reef Trak is the most complete reef tank app on iPhone, Android, and the web — and Calcium is one reason why.

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What Calcium does

Adjust, log, and review calcium. Includes the calcium calculator, parameter logging, target ranges, and calcium-supplement guidance.

  • Calcium calculator: Tank > Tools > Calculators.
  • Log a calcium reading: Tank > Parameters > Add Measurement.
  • Set custom calcium target range: Settings > Parameter Levels.
  • View calcium history & charts: Tank > Parameters > Calcium detail.
  • Calcium supplements (Bio-Calcium, Component A, two-part): Tank > Maintenance > Dosing > Products.

Why Reef Trak does this better than any other reef app

Reef Trak is built by reef keepers, for serious reefs. Every feature — including Calcium — 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

Activity Log A timeline of measurements, maintenance, feeding, dosing, livestock, and notes. Alkalinity Adjust, log, and review alkalinity. Includes the alkalinity calculator, parameter logging, target ranges, and alkalinity-supplement guidance. Alkatronic Connect a Focustronic Alkatronic so automated alkalinity tests land in tank parameters. AquaWiz Beta: scan water-test photos with AquaWiz and import the parsed readings as parameters. Controller Integrations Pair tank controllers so their readings flow straight into Reef Trak parameters. Custom Parameter Ranges Set tank-specific target ranges so charts and Stability Trak match the reef style.

Reef Trak FAQ

What is Calcium in Reef Trak?

Adjust, log, and review calcium. Includes the calcium calculator, parameter logging, target ranges, and calcium-supplement guidance.

Is Calcium included in the free Reef Trak experience?

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

Which devices support Calcium?

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