Reef-keeping how-tos

Practical, honest how-tos from our own bench — cycling a tank, picking gear, dialling in water chemistry, and keeping fish & coral healthy. No fluff, no sign-up.

Water & chemistry

◆Water & chemistry

Reef water parameters explained

What each number on your test kit means, the ranges to aim for, and why stability beats perfection.

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◆Water & chemistry

Tap Water in a Reef Tank: Why Not, and What to Use

Chloramine, copper and hidden nutrients make Sydney tap water risky for reef tanks. Here's why, and what to use instead — RO/DI explained in plain language.

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Maintenance

◆Maintenance

A simple reef maintenance schedule

The daily, weekly and monthly habits that keep a reef stable — kept realistic.

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Looking for care specs? Fish profiles → · Coral profiles →