Sign in Join

Saltwater Aquarium Blog

Setup guides, expert reviews, and reef care.

From beginner basics to expert magazine reviews, the Saltwater Aquarium Blog is your weekly source for practical, proven guidance. Explore setup guides, water chemistry, livestock care, and honest reviews of the latest gear and publications, all written to help you build a healthier, thriving reef.

Read the Blog
The Life-Changing Saltwater Aquarium Return Pump Selection Guide

Equipment

The Perfect Saltwater Aquarium Return Pump Selection Guide

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

Academy

How to Choose Live Rock: Right Amount, Porosity Test

  • 13 min read
The Flat and the Curious / AMAZONAS Magazine Review

Magazine Reviews

The Flat and the Curious / AMAZONAS Magazine Review

  • 8 min read
Sandbar Shark Species Monitoring Project

News

Sandbar Shark Species Monitoring Project

  • 5 min read
Fairy Tails / AMAZONAS Magazine May/June 2026 Review

Magazine Reviews

Fairy Tails / AMAZONAS Magazine Review

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

Water Chemistry

What is the Nitrogen Cycle? Saltwater Aquarium Guide

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

Magazine Reviews

Damselfish (Pomacentridae) / CORAL Magazine 2026 Review

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

Equipment

Aquarium Refractometer: How to Measure Salinity Correctly?

  • 12 min read
Livebearers: Wild & Domestic / AMAZONAS Magazine / November-December 2025

Magazine Reviews

Livebearers: Wild & Domestic / AMAZONAS Magazine Review

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

Magazine Reviews

Collecting The Unthinkable / CORAL Magazine Review

  • 10 min read
Coralia Bacchanalia / CORAL Magazine Review

Magazine Reviews

Coralia Bacchanalia / CORAL Magazine Review

  • 8 min read
Saltwater Aquarium Chiller Selection Guide

Equipment

Saltwater Aquarium Chiller Selection Guide

  • 7 min read
How Many Fish Can Fit in an Aquarium? 2026 Modern Guide

Academy

How Many Fish Can Fit in an Aquarium? 2026 Modern Guide

  • 4 min read
Lots To Love: Big Beauties / Amazonas Magazine 2026 Review

Magazine Reviews

Lots To Love: Big Beauties / AMAZONAS Magazine 2026 Review

  • 14 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
Breeding Breakthroughs / CORAL Magazine Review

Magazine Reviews

Breeding Breakthroughs / CORAL Magazine Review

  • 11 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
Saltwater Aquarium Test Kits Selection Guide

Equipment

Saltwater Aquarium Test Kits Selection: The Complete Guide

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

Equipment

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

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

Water Chemistry

Salt Selection in Saltwater Aquariums: Which is Best?

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

Equipment

Aquarium Heater Selection: A Guide for Reef Systems

  • 7 min read
T5 Bulb Replacement

Equipment

T5 Bulb Replacement: The Right Time and a Simple Schedule

  • 13 min read
Equatorial Fishes / AMAZONAS Magazine 2026 Review

Magazine Reviews

Equatorial Fishes / AMAZONAS Magazine Review

  • 12 min read
Fishes of East Asia / AMAZONAS Magazine September/October 2026 Review

Magazine Reviews

Fishes of East Asia / AMAZONAS Magazine 2026 Review

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

News

Longfinned Bulleye: The Mediterranean’s New Tropical Reality

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

News

Coral Communities on the Prince Islands

  • 11 min read
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
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
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

Customize consent preference

Always active

This website uses cookies

We use cookies to personalize content, provide social media features, and analyze our traffic. We also share information about your use of our site with our analytics partners. You can change your preferences at any time. For more information, please see our Privacy Notice and Cookie Notice. Privacy Notice Cookie Notice

Check your inbox

We sent you a confirmation link. Click it to finish subscribing.

  • Can't find it? It might be hiding among the corals (check your spam or promotions folder).