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Mark's Fish Room Tour

How to Run a Massive Reef Tank: Advanced Fish Room Design & Automation | Mark Callahan, Mr. Saltwater Tank

Take an exclusive, behind-the-scenes look into the ultimate monster reef tank fish room! Supporting a massive, custom-engineered display tank weighing an incredible 13,000 pounds, this 9x15 room is a masterclass in advanced saltwater aquarium automation and plumbing. We break down the heavy-duty hidden steel structural support, a unique 70-gallon elevated refugium where fish literally breed in the plumbing, and a high-powered 350-watt UV sterilization setup. Learn the exact dosing strategy behind 20,000 mL of daily kalkwasser alongside an industrial calcium reactor, and get a look at the completely isolated, old-school T5-lit frag tank before it gets a modern LED upgrade. Whether you are an aspiring hobbyist or a seasoned reefer looking for extreme fish room inspiration, this deep dive into heavy-duty reef gear and smart space-saving engineering is a must-watch.

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  • GRO Refugium Light w/ Tank Mount - Neptune Systems

    GRO Refugium Light w/ Tank Mount - Neptune Systems

    Neptune Systems
    $179.99
    Some of the most successful reef aquariums employ the use of a macroalgae-filled growth area or refugium for the purpose of nutrient control. The GRO is a specialized, 20W LED light designed to grow many types of common macroalgaes (i.e. Chaetomorpha)...
  • 12" Blade Refugium LED Light - AquaIllumination

    12" Blade Refugium LED Light - AquaIllumination

    AquaIllumination
    $179.99
    The Blade Refugium is a macroalgae growing machine. Silent, sealed and easily mountable take your biological filtration to the next level with a refugium powered by AI. Refugium Spectrum A hardcore horticultural spectrum of red and blue will not win...
  • GRO Refugium Light w/ Pipe Mount - Neptune Systems

    GRO Refugium Light w/ Pipe Mount - Neptune Systems

    Neptune Systems
    $179.99
    Some of the most successful reef aquariums employ the use of a macroalgae-filled growth area or refugium for the purpose of nutrient control. The GRO is a specialized, 20W LED light designed to grow many types of common macroalgaes (i.e. Chaetomorpha)...
  • 21" Blade Coral GLOW Smart Strip LED Light - AquaIllumination

    21" Blade Coral GLOW Smart Strip LED Light - AquaIllumination

    AquaIllumination
    $299.99
    The Blade Glow will fluoresce your tank and help your corals “pop”. Coral Glow features a LED mix that maximizes spectral peaks that showcase coral fluorescence. Ideal as a supplemental source of fluorescence that can be added to a Blade Grow...