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Please consider purchasing through our retail partners faster shipping.


  • Please consider purchasing through our retail partners.

  • A first of it's kind probe mount can accommodate Apex, Hydros, GHL, Milwaukee, Pinpiont, BRS, & Inkbird temp probes. 

  • Holds up to 4 standard probes, & up to 3 dosing lines.

  • The 3 Universal dosing lines holders are ideal for ATO (Auto Top Off) & AWC (Auto Water Change) lines. *Often best practice to avoid dosing most elements next to your probes.

  • Firmly holds soft and rigid tubing without restricting flow from set screws. Can withstand water hammer effects of high speed dosing systems.

  • Accepts water lines with an external diameter of 3/16" - 3/8".  Accommodating the most popular line sizes to securely hold the tube with a simple twist into place.

  • Dimensions: 3.125" wide x 1.95" deep x 2.06" tall, Will fit most AIO tank chambers.

  • Rectangular magnet to help with rotation control.

  • For glass up to 0.5" (12mm) thick.

  • Made of acrylic, ABS, & high impact reef safe bonding compound.

  • Sleek plate binding construction & attractive accents.

  • *Not your granny's fridge magnet, be careful not to collide. Always observe for integrity as with all magnets.​

  • Hand crafted & engineered in the U.S.A.

Probe Holder 4 (Universal)

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