Saltwater Hobbyist: Reef Tank Guides, Troubleshooting & Gear

Reef aquarium guides for troubleshooting, beginner setup decisions, and recurring-purchase gear.

A tank that is not set up yet starts with the setup guide. Ammonia or nitrite above zero on a tank that already cycled points to New Tank Syndrome.

Start here

Topic Areas

Troubleshooting

Diagnosis for the problems that derail a reef tank once it is running: cycling failures, algae outbreaks, coral loss, and parameter swings. Start with New Tank Syndrome: Causes, Fixes & Prevention.

Beginner Decisions

Choices made before the tank holds water, from tank type to how fast livestock goes in. Start with the First Reef Tank Setup Guide.

Gear and Recurring Purchases

Comparisons of the products reef keepers rebuy, such as salt mix and test kits. Start with Best Reef Test Kit: 3 Picks for Every Reef Tank.

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