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PAR Map

Map PAR readings onto a photo of your tank so you can place corals by light intensity. Reef Trak is the most complete reef tank app on iPhone, Android, and the web — and PAR Map is one reason why.

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What PAR Map does

Map PAR readings onto a photo of your tank so you can place corals by light intensity.

  • Overlay PAR measurements onto a photo of your tank.
  • See bright and shaded zones at a glance for coral placement.
  • Save maps over time to track changes after a light or layout change.

Why Reef Trak does this better than any other reef app

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

Calculators Quick reef calculators for volume, salinity, water changes, and dosing adjustments. Equipment Track tank gear, catalog equipment, install dates, notes, and replacement context. Equipment Catalog Find equipment definitions and add gear to a tank record. Expense Tracking Track what you spend on the tank — equipment, livestock, dosing, food, and more — in one place. Filter Media Carbon, GFO, biopellets, Purigen, filter socks — when to use each, and how to track changes. Home Screen Widgets Add Reef Trak widgets to your home screen for at-a-glance parameters, stability, and maintenance.

Reef Trak FAQ

What is PAR Map in Reef Trak?

Map PAR readings onto a photo of your tank so you can place corals by light intensity.

Is PAR Map included in the free Reef Trak experience?

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

Which devices support PAR Map?

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