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How to Cycle a Saltwater Aquarium (Without Losing Fish)
A step-by-step fishless cycle for new NZ marine tanks: how the nitrogen cycle works, what to test...
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Reef Care Guides
Expert guides, tips, and insights to help you build and maintain the perfect reef aquarium.
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Alkalinity, Calcium & Magnesium: Reef Dosing Explained
Reef tank alkalinity, calcium and magnesium explained: targets, testing and safe dosing for NZ reef keepers.
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Buying Guide
Reef Salt Guide NZ: Red Sea, Fauna Marin, Mantis & D-D Compared
Compare the reef salts EMA stocks in NZ (Red Sea Coral Pro, Red Sea Coral Reef Sea Salt, Fauna Ma...
Buying Guide
Red Sea ReefControl Guide NZ: Lite vs Pro, ReefSense Probes & Power 6
Red Sea ReefControl explained for NZ reef keepers: ReefControl Lite vs Pro vs the Pro DLX kit, ev...
Beginner
Reef Tank Water Testing: What to Test and How Often
What should you test in a reef tank, and how often? Target ranges for salinity, alkalinity, calci...
Beginner
How to Mix Saltwater for a Reef Tank: Step-by-Step Guide
Learn how to mix saltwater for your reef tank the right way: RODI water, the gear you need, step-...
Beginner
Water Chemistry for Reef Tanks: The Numbers That Matter
The reef tank water parameters that matter, with target ranges for salinity, alkalinity, calcium,...
Beginner
Reef Invertebrates Guide: Shrimp, Snails, Crabs & Starfish
How to choose, acclimate and care for reef invertebrates and build a balanced clean-up crew for y...
Beginner
Coral Care for Beginners: Types, Easy Corals & Tank Setup
A beginner coral care guide: coral types, the easiest starter corals, water parameters, lighting,...