1. Introducció
The Maxspect Jump SK400 Protein Skimmer is an advanced aquatic filtration device designed to efficiently remove organic waste from saltwater aquariums. It features a Maxspect Jump DC pump for optimal performance and energy efficiency, along with adjustable water flow and an integrated water level indicator for precise control.
This manual provides essential information for the proper setup, operation, and maintenance of your SK400 Protein Skimmer to ensure its longevity and effective performance.

Figura 1: Frontal view of the Maxspect Jump SK400 Protein Skimmer.
2. Configuració
2.1 Desembalatge i inspecció
Carefully remove all components from the packaging. Inspect for any signs of damage during transit. Ensure all parts listed in the packing list (not provided in this manual) are present.
2.2 Identificació de components
The SK400 Protein Skimmer consists of several key components, including the main body, collection cup, DC pump, and control unit. Familiarize yourself with each part before assembly.

Figure 2: Maxspect Jump SK400 Protein Skimmer showing internal components.

Figura 3: Detallada view of the dual impellers within the skimmer pump.
2.3 Muntatge
- Place the skimmer body in the designated sump compartment. The recommended water depth for optimal operation is 7-8.5 inches.
- Connect the DC pump to the skimmer body. Ensure all connections are secure.
- Attach the collection cup to the top of the skimmer body.
- Connect the control unit to the DC pump.
- Ensure all power cables are routed safely and away from water.
2.4 Col·locació inicial
Position the skimmer in your sump. The compact footprint of 7.75" x 7.75" allows for flexible placement. Ensure there is adequate clearance for maintenance and removal of the collection cup.
3. Instruccions de funcionament
3.1 Encès
Once assembled and placed in the sump, connect the power adapter to a suitable power outlet. The skimmer will initiate its startup sequence.
3.2 Ajust del cabal d'aigua
The Maxspect Jump SK400 features an adjustable water flow. Use the adjustment knob on the skimmer body to fine-tune the water level within the skimmer neck. Adjustments should be made gradually to achieve optimal foam production.

Figure 4: Control panel for the Maxspect Jump SK400 Protein Skimmer.
3.3 Període de rodatge
A break-in period is typical for new protein skimmers. During this time, foam production may be inconsistent. This period can last from a few days to a couple of weeks. Avoid making frequent adjustments during break-in.
3.4 Anti-Overflow Feature
The skimmer is equipped with an anti-overflow float valve. If the collection cup fills to a critical level, the float valve will automatically shut off the pump to prevent overflow into your sump or aquarium. This feature provides an added layer of safety.
For extended periods without emptying the collection cup, an external waste collection tank can be connected to the skimmer's drain port (if available on your model, refer to product diagrams for specific port locations).
4. Manteniment
4.1 Collection Cup Cleaning
The collection cup should be emptied and cleaned regularly, typically every 1-3 weeks depending on bioload and skimmer performance. Remove the cup, discard the skimmate, and rinse the cup and neck thoroughly with clean water. A brush may be used to remove stubborn residue.
4.2 Skimmer Body and Pump Cleaning
Periodically, the entire skimmer body and pump should be disassembled and cleaned to remove any buildup of detritus or calcification. This can be done every few months or as needed. Use a soft brush and warm water. For stubborn deposits, a mild vinegar solution can be used, followed by thorough rinsing.
4.3 Impeller Inspection
Inspect the impellers for any signs of wear or damage during cleaning. Ensure they spin freely and are not obstructed by debris. Damaged impellers can reduce skimmer efficiency.
5. Solució De Problemes
| Problema | Causa possible | Solució |
|---|---|---|
| No foam production or weak foam |
|
|
| Skimmer desbordant |
|
|
| Excessive noise from skimmer |
|
|
6. Especificacions
- Model: MXMJ-SK400
- Fabricant: Maxspect
- Aquarium Rating: 100-265 galons
- Light Bioload: 265 galons
- Medium Bioload: 175 galons
- Heavy Bioload: 100 galons
- Wattage: 25 W
- Recommended Water Depth: 7-8.5 polzades
- Empremta: 7.75 cm x 7.75 cm
- Alçada: 21.75"
- Flux d'aigua: 317 GPH
- Entrada d'aire: 158 GPH
- Pes de l'article: 4 lliures (1814 grams)
- ASIN: B08L5QBD28
- Primer disponible: 13 d'octubre de 2020
7. Garantia i Suport
Information regarding product warranty and customer support was not available in the provided product data. Please refer to the manufacturer's official website or the product packaging for detailed warranty terms and contact information for support.
For general inquiries or to purchase replacement parts, visit the Maxspect brand page on Amazon.





