Refugiums

A refugium is one of the most effective ways to naturally improve water quality in a saltwater aquarium. By creating a separate space for macroalgae, copepods, and other beneficial organisms, refugiums help reduce nitrates, stabilize pH, and support a more ... Read more Show less

A refugium is one of the most effective ways to naturally improve water quality in a saltwater aquarium. By creating a separate space for macroalgae, copepods, and other beneficial organisms, refugiums help reduce nitrates, stabilize pH, and support a more balanced reef ecosystem. Whether you're adding one to your sump or setting up an external module, a well-maintained refugium offers long-term benefits to your tank.

This collection features a range of saltwater refugiums, including in-sump chambers, hang-on-back styles, all-in-one units with dedicated compartments, lighting, and microfauna to jump start your refugium. They're ideal for nutrient export, pod cultivation, and even light-blocking purposes during reverse photoperiods. A refugium for reef tanks not only helps with stability—it can also serve as a safe zone for microfauna and plant life to thrive.

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  • Ocean Pastures Live Green Phytoplankton - Reef Genetics

    Ocean Pastures Live Green Phytoplankton - Reef Genetics

    Sale price  $11.99 Regular price $14.99

    Tetraselmis chui

  • Live Mixed Copepods - Reef Genetics

    Live Mixed Copepods - Reef Genetics

    Sale price  $15.99 Regular price $19.99

    Tisbe & Apocyclops

  • Live Tisbe Copepods - Reef Genetics

    Live Tisbe Copepods - Reef Genetics

    Sale price  $12.79 Regular price $15.99

    Tisbe biminiensis

  • Golden Fats Live Golden Phytoplankton - Reef Genetics

    Golden Fats Live Golden Phytoplankton - Reef Genetics

    Sale price  $11.99 Regular price $14.99

    Tisochrysis lutea

  • Live Tigriopus Copepods - Reef Genetics

    Live Tigriopus Copepods - Reef Genetics

    Sale price  $12.79 Regular price $15.99

    Tigriopus californicus

  • Live Apocyclops Copepods - Reef Genetics

    Live Apocyclops Copepods - Reef Genetics

    Sale price  $12.79 Regular price $15.99

    Apocyclops panamensi

  • Pom Pom Gracilaria Macroalgae - Reef Genetics

  • Dragon's Breath Macroalgae - Reef Genetics

    Dragon's Breath Macroalgae - Reef Genetics

    Sale price  $23.99 Regular price $29.99
  • Live Munnid Isopods - Reef Genetics

    Live Munnid Isopods - Reef Genetics

    Sale price  $19.99 Regular price $24.99

    Munna sp.

  • Chaetomorpha (Chaeto) Macroalgae - Reef Genetics

  • Super Saiyan Dragon's Breath Macroalgae - Reef Genetics

  • Living Glass Live Phytoplankton - Reef Genetics

    Living Glass Live Phytoplankton - Reef Genetics

    Sale price  $19.99 Regular price $24.99

    Chaetoceros Muelleri

  • Red Ogo Gracilaria Macroalgae - Reef Genetics

    Red Ogo Gracilaria Macroalgae - Reef Genetics

    Sale price  $23.99 Regular price $29.99
  • Eco Chic Waterproof Refugium LED Light 8831 - Tunze

  • Blade Refugium LED Light - 12" - Aqua Illumination

  • Red Mangrove Propagules - Reef Genetics

    Red Mangrove Propagules - Reef Genetics

    Sale price  $16.00 Regular price $20.00

    Rhizophora Mangle