DIY Refugium Plans & Setups

Here is information about setting up a refugium for your saltwater aquarium, which is a safe haven for sessile inverts and other delicate species, and a place to cultivate macroalgae and live foods such as copepods and amphipods.

  • 01 of 05

    Refugiums in Saltwater Aquariums

    CPR CITR Hang-In-Tank Refugium
    CPR CITR Hang-In-Tank Refugium. Photo by PriceGrabber

    Refugiums have been found to be an excellent platform for cultivating food sources (amphipods, copepods, and macroalgae) in a separate but still attached system.

    There are 3 types of refugium: Hang-In-Tank, Hang-On-Tank, and Sump (Under-Tank) style refugium. Each type of refugium has its pros and cons.

  • 02 of 05
    Refugium Beside Tank. Don Carner

    Don Carner explains what a refugium is, how to plumb and put one together, what lighting to use and what you can place inside of it.

  • 03 of 05

    Here is a simple DIY Hang-In-Tank Refugium that works.  Constructed of single strength glass; it is built the same as a DIY aquarium.


    My name shows up on the QTP Working Sheet and the Assigned sheet but not the Status sheet tracker.

  • 04 of 05

    If you have been thinking about building an acrylic aquarium, but thought that acrylics were too hard to work with, here is the perfect project for you. Building this Hang In/On Tank Refugium (use for Mangroves, Algae, or a 'Pod Farm) will give you the experience and confidence you will need to build that acrylic tank you have always wanted. Complete with parts list, instructions, and photos.

    Continue to 5 of 5 below.
  • 05 of 05

    Top Refugiums for Saltwater Aquariums

    CPR AquaFuge 2 Hang-on Refugium
    CPR AquaFuge 2 Hang-on Refugium. Photo by PriceGrabber

    Top refugium for saltwater aquariums. Refugiums are great add-ons for saltwater aquariums. Refugiums can be used to cultivate nutritious algae for your herbivores or amphipods/copepods for the Mandarinfish and other picky eaters.

    Refugiums come in three varieties: Hang-On Tank, Hang-In Tank, and Under-Tank or Sump Refugium.