The Neptune System Magnetic Probe Rack is a sturdy and secure mounting solution designed to organise and hold aquarium probes in place for precise monitoring and stable readings. Built with powerful, aquarium-safe magnets, it attaches firmly to the tank wall or sump, keeping pH, temperature, ORP, and conductivity probes neatly aligned and fully submerged. Its durable construction resists corrosion and ensures long-term reliability in both freshwater and marine environments. By preventing probe movement and accidental damage, the Neptune System Magnetic Probe Rack helps maintain accurate Apex system measurements and contributes to consistent, well-managed aquarium conditions.