The Eheim Pickup 200 operates as a dedicated 1-stage internal mechanical filter, leveraging a centrifugal pump to achieve its specified 650 LPH flow rate. At a power consumption of 10 watts, the pump demonstrates an efficiency ratio of 65 LPH/Watt, which is competitive for its class, translating to effective water turnover for recommended tank volumes (100-200 liters). The centrifugal pump design, a hallmark of Eheim, typically ensures consistent flow and minimizes noise, although a specific dB level is not provided. Its non-self-priming nature is standard for submerged internal filters, relying on continuous immersion for operation. Filtration efficacy is primarily vested in the included sponge media, which provides extensive surface area for the capture of suspended particles, detritus, and physical impurities. This robust mechanical filtration is critical for maintaining water clarity and preventing the build-up of organic waste. However, the absence of dedicated biological or chemical filtration stages means the primary responsibility for nitrification and nutrient absorption will fall upon the aquarium's substrate, live plants (if applicable), and biological media within external filters, should they be used in conjunction. The 'Pickup' design is a pivotal engineering feature; the motor unit remains fixed via suction cups, while the filter basket, containing the media, is easily detached from below for cleaning. This innovative design minimizes tank disturbance, simplifies media access, and reduces the frequency of completely uninstalling the unit, thereby enhancing user convenience and system integrity. The fixed flow rate, while simplifying operation, also implies that it is best suited for setups where a consistent, high turnover is desirable, without the need for nuanced flow adjustments for delicate inhabitants or specific plant requirements. The overall construction from high-quality plastic ensures longevity and chemical inertness within freshwater environments.
