MPO Quatro - Magnetic Probe Organizer Neptune Apex GFO is one of the

GFO is one of the few ways to easily maintain ultra low phosphate on a consistent basis

Replacement Detector Pads available

MAX NANO G2 XXL Aquarium

paired with our specially formulated light diffusing powder

MPO Quatro - Magnetic Probe Organizer Neptune Apex GFO is one of theThe MPO Quatro Magnetic Probe Organizer delivers a clean, secure way to manage up to four aquarium monitoring probes with a design built for long term reliability. A fully sealed magnetic housing prevents rust and corrosion, while the slide in gasket system holds probes firmly in place without screws or adjustments. Integrated guide tubes help keep automated testing lines positioned correctly for consistent, accurate sampling. Compatible with most