Reef Octopus Regal-S DC Protein Skimmers – Space-Saving In-Sump Range
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Reef Octopus Regal-S – Powerful Skimming, Space-Saving Design
Make the most of your filtration sump with the Reef Octopus Regal-S Protein Skimmer range. Built for marine and reef aquariums where space and performance both matter, these premium in-sump skimmers combine a compact layout, precision-engineered acrylic construction and adjustable VarioS DC pump technology.
Space-Saving Sump Installation
The Regal-S range is designed to provide substantial skimming performance without demanding excessive sump space. Its integrated pump arrangement makes it particularly appealing for aquarists working around other filtration equipment. Check the footprint, operating water depth and access above the collection cup before choosing your model.
Efficient Foam Fractionation
A hybrid conical reaction chamber encourages rising foam to concentrate as it approaches the collection cup. Fine bubbles produced by the pinwheel pump attract dissolved organic material, which is carried upwards and removed as concentrated skimmate. This helps reduce organic waste before it breaks down into nutrients, complementing the aquarium’s wider filtration system.
Adjustable VarioS DC Pump
The purpose-built VarioS pump gives you control over the air-and-water mixture rather than relying on a fixed pump output. Select from preset speed settings using the detachable controller to fine-tune performance as livestock, feeding and nutrient levels change. Convenient feed modes temporarily pause operation during aquarium maintenance or feeding.
Precision Water-Level Adjustment
A responsive gate valve allows fine adjustment of the internal water level, helping you achieve the desired wet or dry skimming behaviour. The combination of pump-speed control and water-level adjustment provides flexibility during initial setup and as the aquarium matures.
Practical Safety Features
The included float-switch monitor offers an additional safeguard against an overfilled collection cup when correctly installed and connected. An oversized collection cup with a waste-drain connection makes collected skimmate easier to manage. As with any skimmer, regular checks and sensible drain arrangements remain important.
Durable Construction and Easy Maintenance
The solid cast-acrylic body is built for long-term aquarium use. The skimmer can be disassembled for cleaning, while the VarioS pump incorporates a ceramic shaft and bearing designed to reduce wear. Regularly cleaning the air intake, pump and collection-cup neck helps maintain dependable performance.
Choose the Right Regal-S
The range includes the Regal 150-S, 200-S, 250-S and 300-S. Each offers the same core design philosophy, with different pump and chamber sizes to suit varying aquarium demands. Select a model based on actual water volume, feeding intensity, stocking levels and available sump space rather than tank volume alone.
Reef Octopus Regal-S combines controllable DC performance with compact, practical design — an excellent choice for aquarists looking to upgrade their in-sump protein skimmer.



