VorTech MP40 QD
VorTech MP40 QD maps to the official MP40mQD: a Mobius QuietDrive marine circulation pump with a maximum flow of 19000 L/h.
Overview
VorTech MP40 QD is the catalog label; current EcoTech documentation identifies the product as MP40mQD. It is a marine circulation pump with an external motor, an internal wet side and magnetic coupling. Official data state 19000 L/h maximum flow, 9–37 W and an approximate aquarium range of 190–1800 L.
Physical separation is the defining feature of MP40mQD: the dry side contains the motor outside the tank, while the wet side, cage and impeller operate submerged. Magnetic coupling transfers rotation through the pane without a shaft crossing it. This reduces equipment inside the display, but accurate mounting remains essential and external electrical parts still need protection.
Who it is for
It suits aquarists who want broad, programmable circulation without placing the motor and its cable in the water. The aquarium range is a manufacturer guide, not an automatic measure of ideal flow: rockwork, tank shape and livestock sensitivity still require adjustment in the actual aquarium.
Choosing between MP10mQD, MP40mQD and MP60mQD should not rely on maximum output alone. Consider how much of that output livestock can use comfortably, how water crosses the rockwork and where the dry side can physically fit. A larger model turned down does not automatically correct an unsuitable location or a difficult tank geometry.
How it works
The dry side drives the wet side magnetically through the pane. Flow leaves perpendicular to the glass; there is no aiming joint, so placement, intensity and mode are the practical tuning tools. Mobius provides Lagoon, Reef Crest, Gyre, Short Pulse, Tidal Swell, Nutrient Transport, Feed, Night and Wave Auto-Tune modes.
Mobius modes describe different behaviours of the same pump: some vary output irregularly, others create pulses, longer cycles or a feeding pause. A sensible approach is to begin conservatively, observe fish, polyps, sediment and sheltered areas, then change one setting at a time. Selecting a mode cannot compensate for poor physical placement.
Compatibility
The model is documented for approximately 190–1800 L and ≤19 mm glass. This does not replace checking the real pane, the correct spacer and clear space ahead of the outlet. Accessories, spares and Battery Backup compatibility must be checked for the exact model and generation; wES components are not automatically equivalent.
Compatibility also means keeping the whole assembly coherent: official model, dry side, wet side, driver, power supply and any battery accessory. Similar names do not prove that a part from another size or generation is suitable. On an installed pump, its label and exact manual are safer references than outward appearance alone.
Installation
Choose a position with an unobstructed outlet, above the sand and far enough below the surface to avoid drawing air. Align both halves carefully without letting them snap together, fit the specified spacer, point the dry-side cord upward and secure it with the cable support. Keep the dry side and driver dry.
During alignment, keep one hand in control of each half; magnetic force must not be used to drag them across the pane or let them collide. Once fitted, check that the wet side is centred and free of vibration, that the cable support secures the dry side and that external parts cannot become wet. Starting low helps reveal abnormal mounting or noise.
Maintenance
EcoTech directs users to clean the wet side every 6–8 weeks or as necessary. Disconnect mains and battery, dismantle the wet side and brush it under running water; use a mild acid such as vinegar for calcium, never a strong acid. Inspect the cage, impeller and magnet before reassembly.
Maintenance is more than calcium removal. Sand, debris and deposits can obstruct free movement, increase vibration or alter delivered flow. After cleaning, parts must rotate and seat correctly before the magnets are reunited. If rubbing or unusual noise remains, stop the pump and identify the exact service part instead of continuing to run it.
Strengths and limitations
The external motor improves access and keeps the in-tank assembly compact, but it occupies space outside the pane and the outlet cannot be tilted. A long or obstructed aquarium may need more than one carefully coordinated movement point. The practical goal is not maximum turbulence; it is useful, stable circulation appropriate for the livestock.
Verified data
| Official model | MP40mQD |
|---|---|
| Generation | Mobius QuietDrive |
| Flow | 19000L/h |
| Power | 9–37W |
| Approximate aquarium volume | 190–1800L |
| Glass thickness | ≤19mm |
| Control system | Mobius |
Sources consulted
Reviewed on 2026-08-31
- EcoTech Marine VorTech current product page
EcoTech Marine · Source: official product
- EcoTech Marine MP40mQD product manual
EcoTech Marine · Source: official manual