Build a Sustainable Ecosystem

Product Categories

Premium Live
Combo Packs
Captive Bred
Fish & Inverts
Aquarium Supplies
Ultimate Refugium Starter Pack

What do I need for my Tank?

New Tanks

Set up your tank like a pro! Our Ultimate Refugium Starter Pack is the best way to get your new tank cycled + seeded. Build a sustainable marine ecosystem from Day 1 and watch your fish & coral thrive!

Size Guide

Recommended dosage & frequency of use of AlgaeBarn Products vary depending on the size and inhabitants of your tank. Click below to learn more about what you need for your tank to thrive!

Established Tanks

AlgaeBarn offers subscriptions on many of our products on a weekly, bi-weekly, monthly and bi-monthly basis. Get Copepods, Phytoplankton, Macro Algae & More shipped direct to your door - on your schedule!

Fresh Tank Tips

Our team is hard at work studying how marine ecosystems behave so that you can build your tank with the perfect components!
Click below to explore our content library and learn more about how to best use copepods, phytoplankton & macro algae in your system!
A beautiful fish for saltwater aquariums
Most Beautiful Saltwater Fish for Aquariums

Most people in the reef or saltwater aquarium hobby can agree that it is the fish that attracted them to the hobby in the first place. While corals may have taken a closer place in your heart, fish can be equally as crucial to adding another level of depth to your aquarium. You should take …

Most Beautiful Saltwater Fish for Aquariums Read More »

Beautiful Starfish species are a benefit to any reef Aquarium!
Starfish in Saltwater Aquariums

When it comes to marine aquariums, and reef tank setups in particular, the number of fish you can realistically keep in the system is limited. But, the variety and number of invertebrates you can keep are almost endless. Almost. Even tanks as small as five gallons can house a few Sexy Shrimp and micro brittle …

Starfish in Saltwater Aquariums Read More »

A beautiful wild coral reef full of reef safe fish!
Reef Safe Fish For Sale

The reef aquarium hobby is not just about corals. Otherwise, it would be called the coral hobby. It is not just about fish either. If it were, it would be called the saltwater fish hobby (for some people it is that). The reef aquarium hobby is about having corals, fish, and inverts all live in …

Reef Safe Fish For Sale Read More »


Join our mission to build a more sustainable aquarium hobby, one tank at a time!