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!
How to Make Your Saltwater Aquarium Unique

You may find that your reef tank is just like every other reef tank. There is nothing that makes it special. Sure, it has bright corals, healthy fish, and overall looks great, but it is still just another reef tank. There is nothing wrong with that, although you may want to step it up a …

How to Make Your Saltwater Aquarium Unique Read More »

Copepods Under Microscope
How to Acclimate Your Pods

Particularly for animals that live in water, jumping from one environment to another–even if quite similar physically and chemically–can present serious stress. Yes, “pods” (copepods, amphipods, etc.), are known to be incredibly resilient and adaptable. Indeed, the tidepool-dwelling harpacticoid copepod Tigriopus californicus is regarded as one of THE toughest of all invertebrate species. All that …

How to Acclimate Your Pods Read More »

A Beautiful Porcelain anemone Crab
How to Acclimate Your Captive Bred Invertebrates

Aquarists like to broadly divide classes of aquarium livestock into two big groups, the fishes and the invertebrates. The second group is a huge catch-all, as it includes all non-fish livestock ranging from sponges to crabs. Though invertebrates are overall more sensitive than fish to sudden environmental change, ideal acclimation procedure varies somewhat between the …

How to Acclimate Your Captive Bred Invertebrates Read More »


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