Neptune Magnetic Probe Rack



in stock


  • Organizes up to four probes
  • Designed specifically for the Apex Controller probes
  • Built with an all acrylic weather and shatter resistant design
  • Secured with Neodymium magnets that will hold through up to 1/2³ thick sumps
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The MPR - Magnetic Probe Rack was built specifically for the Apex by Neptune Systems. It can accommodate bigger diameter temperature probes, pH probes, ORP probes, and salinity probes. Made of acrylic and equipped with powerful neodymium magnets Securely holds sumps and aquariums up to 1/2" thick. With the screws fully backed out, the dimensions are 4" long by 2.5" deep. Neptune has built a Magnetic probe rack that can carry up to four probes, with one hole slightly over-sized to accommodate larger probes such as the Neptune temperature probe. You can now securely retain all of your probes in a single location by simply inserting the MPR in your sump or tank.If a probe is left unattended, it may float, exposing the business end to air and resulting in a misleading reading. The Neptune MPR is capable of working with glass up to 1/2" thick while keeping all of your probes secure and protected.
0.5 lbs
6 × 4 × 3 in


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Helpful Questions From Clients
Frequently Asked Questions
Is hiring a professional necessary to set up a saltwater aquarium?

As a general rule, a larger custom aquarium might require installation by a professional. However, a kit from our online fish store is relatively affordable and beginner friendly. That means you should have no problem setting it up yourself.

Which saltwater aquarium fish should you choose when starting out?

Consider a yellow tang fish. This popular saltwater aquarium fish does a great job of coexisting with other types of fish you’ll find in our online fish store.

How does a saltwater aquarium differ from a freshwater one?

Saltwater aquariums require a bit more maintenance and monitoring than freshwater tanks. Different fish require different levels of salinity, pH tolerances, and temperature requirements. They also require specialized pumps, filters, and other equipment that can handle salt. We can guide you through everything you need to know to set up a healthy, thriving reef tank.

Do fish in a saltwater aquarium swim in a school?

That depends on the species. However, if it’s a fish that swims in a school in the wild, they’ll do the same in an aquarium. Some fish that swim in schools include the green and blue chromis, cardinalfish, and dartfish, for example. When ordering from an online fish store, make sure you do your research on how specific fish species behave to ensure they’ll school (or at least coexist) with your current fish.

Is the effort required to maintain a saltwater aquarium worth it?

Yes! Many aquarists dream of owning thriving saltwater aquariums. You have a tiny piece of the ocean in your home, featuring magical and exotic fish that can only survive in saltwater.