European-engineered reef controller for serious SPS reefs.

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Read our full review: GHL Profilux 4 Controller Review: The European Alternative to Apex

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Reef tools mentioned in this article

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Reef Tank Match Quiz

Find the right reef archetype for your space and budget.

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Reef Equipment Planner

Generate a complete equipment shortlist for your build.

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Water Parameter Tracker

Log every reading. Catch problems before livestock notice.

Open tracker →