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Saltwater Aquarium Content

Academy, equipment, chemistry and news

Saltwater Aquarium Content brings everything we publish on saltwater together on one page. Setup and care steps live in Academy, device choice in Equipment and what your readings mean in Water Chemistry. You will find developments in News and magazine and equipment reviews in Reviews. We give every value with its source.

All Blog Articles
Bare-bottom quarantine aquarium with grey PVC pipes, a sponge filter and a heater inside

Academy

Quarantine Aquarium Setup and the Right Quarantine Period

  • 14 min read
Cover of the CORAL Magazine issue on the damselfish family Pomacentridae

Magazine Reviews

Damselfish (Pomacentridae) / CORAL Magazine 2026 Review

  • 9 min read
Small asterina starfish with uneven arms feeding on the living tissue of a coral

Academy

Is the Asterina Starfish Friend or Foe?

  • 10 min read
Coral colonies under dimmed blue light while switching from T5 to LED

Equipment

Switching from T5 to LED, 4 Weeks That Protect Your Corals

  • 14 min read
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

Academy

Making Frag Plugs, Right Mix and Critical Cure Time

  • 12 min read
T5 Bulb Replacement

Equipment

T5 Bulb Replacement: The Right Time and a Simple Schedule

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

Academy

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

Equipment

Wavemaker Selection: 5 Critical Mistakes and Flow Rate

  • 13 min read
Voracious Planktivores / CORAL Magazine Review 2026

Magazine Reviews

Voracious Planktivores / CORAL Magazine Review

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

Equipment

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

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

Equipment

Aquarium Refractometer: How to Measure Salinity Correctly?

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

Water Chemistry

Salt Selection in Saltwater Aquariums: Which is Best?

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

Water Chemistry

What is the Nitrogen Cycle? Saltwater Aquarium Guide

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

Magazine Reviews

Collecting The Unthinkable / CORAL Magazine Review

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

News

Longfinned Bulleye: The Mediterranean’s New Tropical Reality

  • 3 min read
Sandbar Shark Species Monitoring Project

News

Sandbar Shark Species Monitoring Project

  • 5 min read
Saltwater Aquarium Test Kits Selection Guide

Equipment

Saltwater Aquarium Test Kits Selection: The Complete Guide

  • 9 min read
Saltwater Aquarium Chiller Selection Guide

Equipment

Saltwater Aquarium Chiller Selection Guide

  • 7 min read

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