JNS Magnetic Probe Holder

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  • Regular price $49.99
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The perfect magnetic probe holder for reef hobbyists!

The JNS Probe Holder is constructed of high quality cell-cast acrylic and utilizes powerful rare-earth magnets that work on aquariums as thick as 1/2". Features two smaller holes for pH/ORP probes and two larger holes for larger-diameter probes; such as the Neptune Apex Temperature Probe. The unique box design with 3 contact points also ensure that the probes are ultra secure and upright when installed.


  • Powerful magnets for aquariums up to 1/2"
  • Two 1/2" (13mm) holes and two 11/16" (17mm) holes to accommodate a wide range of probes
  • Compact design to fit in tight spaces
  • Holds up to 4 probes
  • High quality acrylic construction

Dimensions (w/o probe screws & dry side magnet) = 3-9/16"L x 1-5/8"W x 2-3/16"H

Magnet Diameter = 2"

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