Its easy to make the conversion to saltwater with Octopus Module. High performance filtration, no sumps, no drilling – just plug & play. Made from performance tested cell cast acrylic, powered by Resun pumps & with an inconspicuous transparent design, Octopus Module is an outstanding combination of performance and design.

Skimming Performance Down-draft reaction chamber extends contact time of air & water by directing water downwards, delivering higher performance skimming.

Dual Skimmers 2 motors - 2 chambers - 2 collection cups. Module Duo gives you the performance of two skimmers in one unit (Module 2x External only).

Surface Skimming Extracts protein loaded surface water, thus optimizing skimming efficiency and aquarium health (Module 350 Combo only).

Simple Design The transparent design of the module range speaks of its elegant and seamless operation.

Engineered for the professional Reefer These products are constructed with performance tested cell cast acrylic, SCH-80 dark grey PVC, JG fittings and silicon O-rings. These materials will not color fade, are crack resistant, inert and non-corrosive, giving you the dependability you need and the performance your reef deserves.

Five Year Warranty You will have peace of mind knowing these products are warranted against defective material and manufacturing faults of the body for 5 years + 12 month warranty on moving parts under normal operating conditions and u