Neptune Systems MPR Magnetic Probe Rack Striped Blenny and tail are yellow

and tail are yellow

only around 40 gallons per hour estimated

PhytoMaxx is almost odourless and can be stored

and more refined

Neptune Systems MPR Magnetic Probe Rack Striped Blenny and tail are yellowNeptune has designed a Magnetic probe rack that will hold up to 4 probes with one hole being slightly oversized to hold those larger probes like the Neptune temp probe. By simply placing the MPR in your sump or aquarium, you can now securely hold all your probes in a single spot. If a probe is left loose there is a good chance it may float with the business end being exposed to the air and causing a false reading. The Neptune MPR can work with glass