Octo Classic 110S Protein Skimmer
SKU: CLSC-110SS
MSRP: $ 340.71
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Available Through Authorized Retailer
- Super Space Saver (SSS): The pump is cleverly housed inside the skimmer body, drastically reducing the overall footprint for setups with limited sump space.
- Aquatrance 1000s Performance: Driven by the highly reliable Aquatrance pinwheel pump, maximizing air-shredding efficiency and bubble production.
- Hybrid Cone Taper: Features a 5-inch cylindrical base with a smooth conical neck transition to stabilize foam and push out dry skimmate.
- Quiet Integrated Silencer: Equipped with a low-profile air silencer that dampens air intake noise, ensuring near-silent operation inside your cabinet.
- Precision Gate Valve: Outfitted with an easy-to-reach, precision-molded gate valve for micro-adjustments of the internal water line.
- Fully Removable Assembly: The complete skimmer body can be fully disassembled for convenient, tool-free deep cleaning and impeller maintenance.
Reef Octopus
Globally trusted for premium protein skimmers and pumps, engineered in-house for unmatched reef filtration performance.
Reef Octopus Classic 110-S Space Saver Protein Skimmer
The Reef Octopus Classic 110-S (SKU: CLSC-110S) is the perfect solution for marine hobbyists who need big filtration capacity but are dealing with highly restricted sump real estate. Rated for aquariums up to 130 gallons, this "Super Space Saver" model achieves its tiny footprint by mounting the highly efficient Aquatrance 1000s pinwheel pump directly inside the 5-inch reaction chamber. This intelligent design allows you to fit a true 5-inch skimmer into small sump compartments that would normally only accommodate lower-performing, undersized equipment.
Despite its compact build, the Classic 110-S compromises nothing on performance. It features a hand-crafted, high-grade cast acrylic hybrid cone body that minimizes internal water turbulence. This allows the micro-bubbles generated by the Aquatrance pump to rise steadily, forming a dense, concentrated foam column that carries dissolved organics cleanly into the collection cup. Complete with a turbulence-reducing bubble plate diffuser and a precision output gate valve, the Classic 110-S provides the ideal balance of space-saving geometry and industrial nutrient export.
Key Features
Internal Pump Configuration: Minimizes the space required in your filtration chamber, leaving more room for heaters, refugiums, or media reactors.
Aquatrance 1000s Pump: Generates 420 L/H of air pull while running on a highly economical 9 Watts of power.
Bubble Diffuser Plate: Smoothly diffuses the pump's water discharge to stop turbulent bubbling from disrupting the foam neck.
Precision Gate Valve Control: Raised adjustment pipe lets you dial in the internal water level without putting your hands deep into the sump.
Quick-Release Collection Cup: Features a reliable neck seal for effortless removal and frequent maintenance.
Bioload Handling
Heavy Bioload: 60 Gallons
Medium Bioload: 90 Gallons
Light Bioload: 130 Gallons
What’s Included:
(1) Classic 110-S Space Saver Skimmer Body
(1) Aquatrance 1000s Pinwheel Pump (Internal)
(1) Bubble Plate Diffuser
(1) Precision Output Gate Valve Assembly
(1) Air Silencer & Tube Assembly
Technical Specs:
Model / SKU: CLSC-110S
Body Size: 5 in
Footprint: 6.1 in x 7.87 in
Total Height: 19.7 in
Neck Size: 2.3 in
Output Size: 40mm / 1.25 in PVC
Recommended Sump Water Depth: 7 – 8 in
Reef Octopus Aquatrance 1000s Pinwheel Pump
• Wattage: 9w
• Air Draw: 420lph / 15SCFH*
• Water Draw: 350lph / 92GPH*
• CE Certified Pump
*Air and water results will vary depending on aquarium setup
WARRANTY
CoralVue, Inc. and Reef Octopus hereby guarantee this product to be free from defects in material and workmanship for a period of:
- Five (5) year warranty on pump body/housing
- Three (3) year warranty on Reef Octopus-branded controller
- One (1) year warranty on Power Supply, Impeller (and components), Rotor, Rear Bushing, and Gaskets
Warranty is activated on the date of purchase.
This Standard Limited Warranty applies and is limited as follows:
- To the product only as long as it remains in the possession of the original purchaser.
- To the product that has not been subject to accident, misuse or abuse.
- To the product that has not been modified, altered, defaced, or had repairs made or attempted by other than CoralVue, Inc.
- That CoralVue be immediately notified in writing within ten (10) days of first knowledge of defect by owner or his agent.
- That CoralVue, Inc. shall be given first opportunity to make any repairs, replacements or corrections to the defective construction within a reasonable period of time.
- Under no circumstances shall CoralVue and/or the Manufacturer be liable by virtue of this warranty or otherwise for damage to any person or property whatsoever for any special, indirect, secondary or consequential damages of any nature however arising out of the use or inability to use because of the product defect.
- Verify that the internal Aquatrance 1000s pump is securely seated on the bottom plate and connected to the venturi line.
- Place the skimmer into your sump's filtration compartment, ensuring the water level is stable between 7 and 8 inches.
- Route the flexible airline up to the integrated air silencer on the side of the collection cup neck.
- Open the precision gate valve completely before connecting the pump power cord to a GFCI outlet.
- Allow the chamber to fill and begin frothing, then gradually close the gate valve to raise the water level to the base of the neck.
- Leave the skimmer to run undisturbed for 10–14 days to complete the mandatory initial acrylic break-in phase.
Pro Tips:
- Maintain Constant Sump Depth. Because the pump is nested inside the body, the internal pressure of the Classic 110-S is highly sensitive to the external water depth of your sump. To prevent irregular performance or accidental cup overflows, we strongly recommend using a dependable Auto Top Off (ATO) system to keep your water level completely locked at 7.5 inches.
- Cleaning the Internal Intake. Due to the space-saving internal pump design, the pump intake sits close to the bottom of the skimmer plate. Check this area every few weeks to make sure it hasn't sucked in stray macroalgae, debris, or tiny pests like stomatella snails, which can choke the air intake.
- Accelerate the Break-In. If your brand-new skimmer is over-foaming aggressively right out of the box, it is reacting to manufacturing residues on the acrylic. You can speed up the break-in process by thoroughly washing the disassembled body with warm water and a clean microfiber cloth (never use soap or chemicals!) before installing it.