Neptune Systems MPR Magnetic Probe Rack – Securely Holds Up to 4 Probes red sea sump Suitable for freshwater aquariums or

Suitable for freshwater aquariums or turtle tanks up to 300 litres

making regular ICP testing and targeted supplementation essential for long-term reef stability

Reduces trace elements and detoxifies aquarium water

including calcareous algae and older stains

premium marine aquarium system designed for serious reef keepers who want maximum visual impact without sacrificing clean

Neptune Systems MPR Magnetic Probe Rack – Securely Holds Up to 4 Probes red sea sump Suitable for freshwater aquariums orThe Neptune Systems MPR Magnetic Probe Rack is an essential accessory for anyone looking to organize and secure their probes in the aquarium. This durable rack can hold up to four probes, with one hole slightly oversized to accommodate larger probes like the Neptune temperature probe. Simply place the MPR in your sump or tank, and it will keep all your probes in a fixed, secure position, preventing them from floating and ensuring accurate readings.