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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
Click below to explore our content library and learn more about how to best use copepods, phytoplankton & macro algae in your system!
The relationship with aquascaping the reef tank can be a complicated one! The hobby of reef keeping has advanced significantly. Back in the early days of the hobby, wild harvested rock was the only option. To clarify, live rock was harvested directly from the ocean. Presently, reef keepers can choose from a variety of rocks. …

It’s both strange and unfortunate that some of the most widely occurring copepod species on Earth remain rare in the aquarium trade–particularly those that are hardy, ecologically distinct and useful in captive systems. Euterpina acutifrons is an excellent example of this. Thankfully, these things don’t escape notice at AlgaeBarn, who have introduced this highly valuable …
A Closer Look at the Harpacticoid Copepod Euterpina acutifrons Read More »

Welcome to World Ocean Month! For the month of June, AlgaeBarn will be celebrating what unites us all in this hobby – the ocean! Throughout the month, we will be highlighting some of the ways we can all come together to improve the health of our oceans. In this hobby, it is not possible to …