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Saltwater

Everything the saltwater aquarium hobby demands, gathered in one place. From your first tank setup to advanced water chemistry, equipment testing, and species news, our guides cover the full arc of building and keeping a healthy reef aquarium at every experience level.

All Blog Articles
Making Frag plugs waiting to finish curing after making frag plugs at home, pale cement discs with small soft coral cuttings tied onto some of them

Making Frag Plugs, Right Mix and Critical Cure Time

  • 12 min read
T5 Bulb Replacement

T5 Bulb Replacement: The Right Time and a Simple Schedule

  • 13 min read
Porous live rock pieces stacked at a wholesale facility

How to Choose Live Rock: Right Amount, Porosity Test

  • 13 min read
Wavemaker selection and opposing pump placement in a reef aquarium with visible water flow

Wavemaker Selection: 5 Critical Mistakes and Flow Rate

  • 13 min read
Voracious Planktivores / CORAL Magazine Review 2026

Voracious Planktivores / CORAL Magazine Review

  • 14 min read
Best Aquarium Lighting for Corals: LED, T5 & MH Guide

Best Aquarium Lighting for Corals: LED, T5 & MH Guide

  • 11 min read
Aquarium Refractometer: How to Measure Salinity Correctly?

Aquarium Refractometer: How to Measure Salinity Correctly?

  • 12 min read
Salt Selection in Saltwater Aquariums: Which is Best?

Salt Selection in Saltwater Aquariums: Which is Best?

  • 10 min read
What is the Nitrogen Cycle? Saltwater Aquarium Guide

What is the Nitrogen Cycle? Saltwater Aquarium Guide

  • 10 min read
Collecting The Unthinkable / CORAL Magazine Review 2026

Collecting The Unthinkable / CORAL Magazine Review

  • 10 min read
Longfinned Bulleye: The Mediterranean’s New Tropical Reality

Longfinned Bulleye: The Mediterranean’s New Tropical Reality

  • 4 min read
Sandbar Shark Species Monitoring Project

Sandbar Shark Species Monitoring Project

  • 5 min read
Saltwater Aquarium Test Kits Selection Guide

Saltwater Aquarium Test Kits Selection: The Complete Guide

  • 9 min read
Saltwater Aquarium Chiller Selection Guide

Saltwater Aquarium Chiller Selection Guide

  • 7 min read
Coralia Bacchanalia / CORAL Magazine Review

Coralia Bacchanalia / CORAL Magazine Review

  • 8 min read
The Life-Changing Saltwater Aquarium Return Pump Selection Guide

The Perfect Saltwater Aquarium Return Pump Selection Guide

  • 6 min read
Coral Communities off the Shores of the Prince Islands

Coral Communities on the Prince Islands

  • 11 min read
Aquarium Heater Selection: A Guide for Reef Systems

Aquarium Heater Selection: A Guide for Reef Systems

  • 7 min read

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