Build a Sustainable Ecosystem
RIGHT IN YOUR SALTWATER TANK!
Shop Now

Product Categories

Premium Live
Foods
SHOP NOW
Combo Packs
SHOP NOW
CLEAN MACRO
ALGAE
SHOP NOW
Captive Bred
Fish & Inverts
SHOP NOW
Aquarium Supplies
SHOP NOW
Ultimate Refugium Starter Pack

New & Featured Products

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 More In Depth Look At Captive Bred Livestock

Once upon a time, all of our saltwater fish, invertebrates, and corals were wild caught. Hobbyists were still using compact fluorescent bulbs and tap water in their reef tanks, under gravel filters were still cutting edge technology, and most people had their fish for six to twenty four months before they died of “old age.” …

A More In Depth Look At Captive Bred Livestock Read More »

A Quick Guide to LPS and SPS

There comes a time in this hobby when many aquarists grow bored of their beginner corals and they become interested in small and large polyp stony corals (SPS and LPS, respectively). For those of you who have been maintaining a “softie” reef (which includes coral such as zoanthids, mushrooms, leathers, and star polyps), you may …

A Quick Guide to LPS and SPS Read More »

Nitrate Management in Your Saltwater Aquarium

When setting up new aquariums, most people worry about and focus on ammonia and nitrites. Everyone knows that cycling a tank with fish is dangerous because of these two compounds, as they burn the gills and body of the fish as the tank matures. But, once these get to zero, most people are satisfied and …

Nitrate Management in Your Saltwater Aquarium Read More »

NewsLetter

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