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Ultimate Refugium Starter Pack

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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

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 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 …

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Proper Tank Acclimation for new livestock is vital!
How to Acclimate Your Captive Bred Fish

Acclimation to a new aquarium home is a particularly stressful time in the life of any kind of captive fish. Like all aquatic animals, fish are shocked by rapid changes of water temperature or chemistry. Add to this the fact that fish take on a sort of psychological stress during this time, as they might …

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copepods and various planktons
Oithona: A Keystone Aquarium Copepod Species

In terms of both numbers and biomass, the copepods (Subclass Copepoda) dominate the zooplankton oceanwide. These minute crustaceans are of immense value ecologically because they play a central role in the linear trophic transfer of nutrients and food energy as intermediaries between primary producers (e.g. phytoplankton) and higher animals such as fish. But it’s usually …

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