Internal Skimmers

Internal Skimmers

Internal protein skimmers are designed to be housed in an aquarium sump or reservoir. Aquarium Specialty only carries best in class top performing brands at various price points from Royal Exclusiv, Reef Octopus, Ultra Reef, Simplicity, Tunze and more. If you need help picking out the right skimmer for your setup then we look forward to helping you.  Visit here for External Skimmers and Hang on the Back Skimmers.

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30 Items

Set Descending Direction
  1. Reef Octopus eSsence S-130 Protein Skimmer

    $374.99
    Factory Direct - Usually Ships Out Within 1-2 Days
  2. Reef Octopus CLSC-110INT 4" Internal Protein Skimmer

    $269.99
    Usually Ships in 1 - 2 Business Days After Submission of Order
  3. OPEN BOX - Reef Octopus CLSC-110INT 4" Internal Protein Skimmer

    $198.00
    Order by 3:30pm EST for Same Day Shipping (M-F)
    Out of stock
  4. Reef Octopus Classic CLSC-110SS Space Saver Protein Skimmer

    $289.99
    Usually Ships in 1 - 2 Business Days After Submission of Order
  5. Reef Octopus Classic CLSC-150INT Protein Skimmer

    $319.99
    Usually Ships in 1 - 2 Business Days After Submission of Order
  6. Reef Octopus CLSC-150SS Classic Space Saver Protein Skimmer

    $339.99
    Usually Ships in 1 - 2 Business Days After Submission of Order
  7. Reef Octopus Classic 152-S Protein Skimmer

    Rating:
    100%
    $424.99
    Usually Ships in 1 - 2 Business Days After Submission of Order
  8. Reef Octopus 202S Protein Skimmer

    Rating:
    93%
    $539.99
    Usually Ships in 1 - 2 Business Days After Submission of Order
  9. Reef Octopus Classic CLSC-200INT Protein Skimmer

    $399.99
    Usually Ships In 2 - 3 Business Days After Submission of Order
  10. Reef Octopus SRO-1000INT In Sump Protein Skimmer

    $398.46
    This product will be back ordered
  11. Reef Octopus SRO-2000INT Internal Protein Skimmer

    $517.74
    Usually Ships in 1 - 2 Business Days After Submission of Order
  12. Reef Octopus SRO-3000INT Internal Protein Skimmer

    $599.00
    Order by 3:30pm EST for Same Day Shipping (M-F)
  13. Reef Octopus SRO-5000INT In Sump Protein Skimmer

    $750.74
    Factory Direct - Usually Ships Out Within 1-2 Days
  14. Reef Octopus SRO5000SSS Super Space Saver Protein Skimmer

    $808.49
    Factory Direct - Usually Ships Out Within 1-2 Days
  15. Reef Octopus SRO-6000SSS Super Space Saver Protein Skimmer

    $912.44
    Factory Direct - Usually Ships Out Within 1-2 Days
  16. Reef Octopus Regal 150INT 6" Internal Protein Skimmer

    $549.99
    Usually Ships in 1 - 2 Business Days After Submission of Order
  17. Reef Octopus Regal 150SSS 6" Space Saving Protein Skimmer

    $599.99
    Usually Ships in 1 - 2 Business Days After Submission of Order
  18. Reef Octopus Regal 200INT Protein Skimmer

    $729.99
    Usually Ships In 2 - 3 Business Days After Submission of Order
  19. Reef Octopus Regal 200SSS 8" Recirculating Protein Skimmer

    $799.99
    Usually Ships in 1 - 2 Business Days After Submission of Order
  20. Reef Octopus Regal 250INT Protein Skimmer

    $839.99
    Usually Ships in 1 - 2 Business Days After Submission of Order
  21. Reef Octopus Regal 250SSS 10" Recirculating Protein Skimmer

    $919.99
    Usually Ships in 1 - 2 Business Days After Submission of Order
  22. Reef Octopus Regal 300INT Protein Skimmer

    $919.99
    Usually Ships in 1 - 2 Business Days After Submission of Order
  23. Reef Octopus Regal 300SSS 12" Recirculating Protein Skimmer

    Rating:
    93%
    $999.99
    Usually Ships in 1 - 2 Business Days After Submission of Order
  24. Reef Octopus Elite 150INT 6" Protein Skimmer

    $661.80
    Usually Ships in 1 - 2 Business Days After Submission of Order
  25. Reef Octopus Elite 150SSS 6" Space Saver Protein Skimmer

    $877.79
    Usually Ships in 1 - 2 Business Days After Submission of Order
  26. Reef Octopus Elite 200SSS Protein Skimmer

    $1,064.90
    Usually Ships in 1 - 2 Business Days After Submission of Order
  27. Reef Octopus ELITE-200INT Protein Skimmer

    $783.08
    Usually Ships in 1 - 2 Business Days After Submission of Order
  28. Reef Octopus Elite-220INT Super Cone Protein Skimmer

    $906.66
    Usually Ships in 1 - 2 Business Days After Submission of Order
  29. Reef Octopus Elite 220SSS 9" Space Saver Protein Skimmer

    $1,212.74
    Factory Direct - Usually Ships Out Within 1-2 Days
  30. Reef Octopus XP8000 In Sump Protein Skimmer

    $1,569.99
    Special Order
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