By: melev | Tags: | Comments: 0

When setting up a refugium, it is usually for the purpose of growing macro algae to absorb nutrients (lowering nitrates) plus photosynthesis provides oxygen and depletes CO2. Chaetomorpha is a great macro to use, because it doesn't have a problem of 'going sexual' and grows nicely. If you can't buy Caulerpa, this is a great alternative. Even if you have Caulerpa, you might consider switching to this as I have. 

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