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External Skimmers
External protein skimmers are designed to be housed outside of the aquarium and fed back to an aquarium sump. Aquarium Specialty only carries best in class top performing brands at various price points from Royal Exclusiv, Reef Life Support Systems, Reef Octopus, My Reef Creations, Tunze and more. If you need help picking out the right skimmer for your setup then we look forward to helping you.
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Reef Octopus CLSC-110EXT External Protein S... CLSC-110EXT External Protein Skimmer
$381.69Ships Direct in 1-2 Days -
RK2 Systems 5AC Foam Fractionator Protein ... 5AC Foam Fractionator Protein Skimmer With 1/8 HP Pump
$5,299.99OUT OF STOCKOut of stock -
Reef Octopus Classic 150ext Recirculating P... Classic 150ext Recirculating Protein Skimmer
$505.99Ships Direct in 1-2 Days -
RK2 Systems RK2000PE Protein Fractionator ... RK2000PE Protein Fractionator Skimmer
$1.00Factory Direct -
RK2 SystemsXFLO 6-3.5 Venturi Driven Protein F... 6-3.5 Venturi Driven Protein Fractionator Skimmer
$899.99Factory DirectOut of stock -
RK2 Systems RK25PE Protein Fractionator Sk... RK25PE Protein Fractionator Skimmer
$1.00Factory Direct -
Reef Octopus Regal-200EXT External Protein ... Regal-200EXT External Protein Skimmer
$1,099.99Ships Direct in 1-2 Days -
RK2 Systems RK50PE Protein Fractionator Sk... RK50PE Protein Fractionator Skimmer
$1.00Factory Direct -
Reef Octopus SRO-5000EXT External Protein S... SRO-5000EXT External Protein Skimmer
$1,154.99Ships Direct in 1-2 Days -
RK2 Systems RK75PE Protein Fractionator Sk... RK75PE Protein Fractionator Skimmer
$1.00Factory Direct -
Reef Octopus Regal-250EXT External Protein ... Regal-250EXT External Protein Skimmer
$1,209.99Ships Direct in 1-2 Days -
RK2 Systems RK75PE-HF Protein Fractionator... RK75PE-HF Protein Fractionator Skimmer
$1.00Factory DirectOut of stock -
Reef Octopus SRO-6000EXT External Protein S... SRO-6000EXT External Protein Skimmer
$1,297.99Ships Direct in 1-2 Days -
RK2 Systems RK150PEF Protein Fractionator ... RK150PEF Protein Fractionator Skimmer
$1.00Factory Direct -
Reef Octopus Regal-300EXT External Protein ... Regal-300EXT External Protein Skimmer
$1,462.99Ships Direct in 1-2 Days -
RK2 Systems RK150PE-HF Protein Fractionato... RK150PE-HF Protein Fractionator Skimmer
$1.00Factory Direct -
Reef Octopus SRO-8000EXT Light Commercial P... SRO-8000EXT Light Commercial Protein Skimmer
$2,848.99Ships Direct in 1-2 Days -
RK2 Systems RK300PE Protein Fractionator S... RK300PE Protein Fractionator Skimmer
$1.00Factory Direct -
Reef Octopus SRO-9000EXT Light Commercial P... SRO-9000EXT Light Commercial Protein Skimmer
$4,179.99Call For Availability -
RK2 Systems RK300PE-HF Protein Fractionato... RK300PE-HF Protein Fractionator Skimmer
$1.00Factory Direct -
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RK2 Systems RK600PE Protein Fractionator S... RK600PE Protein Fractionator Skimmer
$1.00Factory Direct -
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RK2 Systems RK600PE-HF Protein Fractionato... RK600PE-HF Protein Fractionator Skimmer
$1.00Factory Direct -
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RK2 Systems XFLO 6-2.5 Protein Fractionato... XFLO 6-2.5 Protein Fractionator Skimmer
$849.99Factory Direct -
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MRC MR-6R Recirculating Protein Skimmer
$1,494.99Factory Direct - Usually Ships Out Within 3-4 Days
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