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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!
The Nitrogen Cycle: Part Three (Denitrifiers)

Perhaps it is a poor choice of words to say that ones tank “is cycled” in the past tense–as if the keeper no longer needs to monitor and control dissolved inorganic nitrogen in the system water. Indeed, establishing a biofilter (establishing populations of nitrifying bacteria) can be a lot easier than controlling the accumulation of …

The Nitrogen Cycle: Part Three (Denitrifiers) Read More »

Deep Sand Bed or Bare Bottom?

Aquarists–especially reef aquarists–tend to hold to extremes. We can be quite passionate when it comes to our preferences for husbandry techniques, types of lighting, even brands of salt. And no subject has spawned as much debate over the last quarter century than substrate (or lack thereof).  In one corner, we have the pro-substrate old-schoolers Dr. …

Deep Sand Bed or Bare Bottom? Read More »

Using ZooMed’s Can O’ Cyclops

Some aquarium fish can be very finicky eaters. This presents lots of challenges for their keepers. In the case of picky marine zooplanktivores, the keeper might have to use exclusively live foods (copepods, brine shrimp, etc.). Live foods are great in that they typically are highly nutritious, don’t introduce a bunch of wastes (such as …

Using ZooMed’s Can O’ Cyclops Read More »

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