Need 6 1/4" behind aquarium (recommend 6 1/2"). Refugiums are a great way to grow Algae for filtration, food, and provide excellent breeding grounds for pods, shrimp, and anything else that would otherwise be destroyed in your display tank.
Great for macro algae like Chaetomorpha or Caulerpa. This item is in the category "Pet Supplies\Fish & Aquariums\Filters".The seller is "opha6987-xijafayf" and is located in this country: US. This item can be shipped worldwide.