Marineland

Maxi-Jet pumps have built a reputation over decades for being reliable, simple, and incredibly versatile. Unlike many single-purpose pumps, a Maxi-Jet can be configured as a utility pump, a powerhead, or even a mixing pump using the included accessories. That flexibility means one pump can handle water changes, reactor feed, detritus removal, aeration, and internal flow. They are also compact, easy to maintain, and durable enough to run continuously in harsh saltwater environments.

Yes. Maxi-Jet pumps include a propeller conversion kit that transforms them from a standard centrifugal pump into a wide-flow powerhead. In this configuration, they produce a broader, more dispersed flow pattern that is better suited for in-tank circulation. While they are not controllable like modern DC wavemakers, they are still very effective for adding supplemental flow in smaller aquariums or targeting specific dead spots in larger systems.

Choosing the right model depends on how you plan to use it. The Maxi-Jet 400 and 600 are great for light-duty tasks like small water transfers, quarantine tanks, or feeding reactors. The 900 and 1200 offer higher flow and head pressure, making them better suited for mixing saltwater, powering larger reactors, or moving water longer distances. Since all models share the same physical size and accessories, the main difference is output and power.

Yes, Maxi-Jet pumps are one of the most commonly used pumps for mixing saltwater. They can run continuously in mixing containers, provide consistent circulation to fully dissolve salt, and are small enough to fit easily inside buckets or reservoirs. When using the propeller attachment, they can also create a wide flow pattern that helps prevent salt from settling at the bottom.

No, Maxi-Jet pumps are traditional AC pumps and do not offer built-in speed control or app-based control like modern DC pumps. They run at a fixed speed when plugged in. You can turn them on and off with a timer or controller, but they are not designed for rapid on-off wave-making cycles. For variable flow or programmable patterns, a dedicated DC wavemaker would be a better choice.

Maxi-Jet pumps are designed to work with standard flexible tubing sizes. Most models include fittings for both 1/2 inch and 3/4 inch inner diameter tubing, which covers the majority of aquarium plumbing needs. Using the larger diameter tubing will allow for higher flow rates with less restriction, while smaller tubing can be useful for more controlled or targeted applications.

Maxi-Jet pumps are generally quiet when properly installed and fully submerged, but they are not completely silent. You may hear a low hum typical of AC pumps, especially if the pump is in contact with hard surfaces that can transfer vibration. Ensuring the pump is securely mounted, using suction cups, and keeping the impeller clean will help minimize noise. In most aquarium setups, they are quiet enough to run without being distracting.

Maxi-Jet pumps are primarily designed for submersible use, but they can be used externally in certain utility applications when properly primed and connected with secure fittings. However, most hobbyists use them submerged for reliability and ease of use, especially in mixing containers, sumps, or aquariums.

Maintenance is simple and involves periodically disassembling the pump to clean the impeller, housing, and shaft. Calcium buildup and debris can reduce performance over time, so soaking the parts in a mild acid solution like citric acid or vinegar will help restore flow. Regular cleaning ensures reliable startup and long-term performance.