Reef OctopusSKU: Classic 110-S



Attractive, Ultra Compact and Affordable Filtration

The sleek and compact Reef Octopus Classic 110SSS in-sump protein skimmer supplies powerful filtration for aquariums up to 130 gallons where sump space may be limited.

The Reef Octopus Classic 110SSS is constructed of high-quality acrylic that can be completely disassembled for cleaning. Equipped with the new Aquatrance pinwheel pump, it produces an ideal mix of water and air for optimum waste removal. A simple vented wedge valve output provides precision control and allows cleaned water to exit the skimmer below water for quiet operation. Also available in the larger Classic 150SSS model.

Internal model designed for in-sump use only. No feed pump required, skimmer draws water directly from sump.

Features & Benefits

  1. Ultra compact, superior performance
  2. Aquatrance pumps specifically made for protein skimmers
  3. Easy maintenance
  4. Output designed for bubble-free outflow
  5. Quiet operation
  6. High quality hand-made acrylic construction
  7. Trusted by professionals and hobbyists


Featuring a small footprint, the OCTO series Classic space saving skimmer. (Classic-S) is an in-sump protein skimmer ideal for aquariums with limited sump space. It is run by our very own AQ pump , encased in a solid acrylic body, can be easily disassembled for maintenance and does not require a feed pump as it draws water directly from the sump.

Available for  2 models – Classic 110-S and Classic 150-S features a straight body with a vented valve output .

Warranty (against manufacturing defect):

2 years* – pump motor only

What's included

Article Code Items Classic 110-S Classic 150-S
Model No. Qty Model No. Qty
a Top Cover 1 1
b Collection Cup 1 1
c O Ring 1 1
d Skimmer Body 1 1
e Silencer 1 1
f Adjusting Pipe 1 1
g O Ring 1 1
h ” T” Part 1 1
i Screw 1 1
j Bubble Plate 1 1
k Bubble Skimming Chamber 1 1
l Adapter 1 1
m Aquatrance Skimmer Pump AQ-1000S 1 AQ-2000S 1
n Base of Skimmer 1 1
o Screw 1 1
p Air Hose 1 1
q Venturi 1 1


Technical Data

1. Skimmer

Product Wet/Dry Pump Power Cup Diameter Neck Diameter Footprint Height Output Size Tank Volume
W W mm inch mm inch mm inch mm inch L US Gal
50HZ 60HZ
Classic 110-S Wet 8 9 120 4.7 60 2.4 200 155 7.9 6.1 485 19.10 ø32mm (1″) 500 132
Classic 150-S Wet 17 18 150 5.9 80 3.2 240 185 9.5 7.3 530 20.90 ø40mm (1-1/1/4″) 800 211

2. Skimmer Pump

Product Model No. Wet/Dry Air Intake Power Maximum Flow Rate Connection Size ( outlet)
50HZ 60HZ 50HZ 60HZ 50HZ 60HZ
Classic 110-S AQ-1000S Both 420 111 454 120 8 9 350 92 350 92 ø25(3/4″)
Classic 150-S AQ-2000S Both 720 190 719 190 17 18 750 198 750 198 ø25(3/4″)

Electrical or other Certification
Pumps (Aquatrance) – CE certified


Classic-S Manual

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