Reef Knowledge Hub

Water Chemistry Guides

Expert guides, tips, and insights to help you build and maintain the perfect reef aquarium.

7 Articles
7 Categories

Water Chemistry

Red Sea Coral Reef Sea Salt 22kg bucket

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...

Reef aquarium water test vials, syringe and digital meter in front of a mixed reef tank

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...

Bucket of freshly mixed reef saltwater with a circulation pump and hydrometer beside a home reef aquarium

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-...

Refractometer and water test vials in front of a blue-lit SPS reef aquarium

Water Chemistry for Reef Tanks: The Numbers That Matter

The reef tank water parameters that matter, with target ranges for salinity, alkalinity, calcium,...

Aquarium heater and glass thermometer in a reef tank with clownfish

What Is The Right Temperature For Fish Tank?

If you're entering the beautiful world of aquariums, you wonder what is the right temperature for...

Red Sea Complete Reef Care 4-part supplement bottles and box

Introducing Red Sea's New 4-Part Reef Supplement System

Revolutionize Your Reef Aquarium!Are you a reef tank enthusiast looking for a simplified, yet eff...

Scooping reef salt into RODI water to mix saltwater, with a salinity meter beside a reef tank

Red Sea Reef Salt or Coral Pro: What's Best for Your Reef Tank?

Choosing the right salt mix for your reef aquarium can be a game-changer for the health and growt...

Shop reef essentials

Stay Updated

Get Reef Tips in Your Inbox

Join our community of reef keepers. Get the latest guides, product updates, and exclusive offers.

10% off fish food

Food for your new fish?

Add Fauna Marin fish food to your order and save 10%. Choose a food and size to suit your fish.

Applies to the selected food. Cannot be combined with other discounts.