GLO 4P Magnetic Dosing Tube Holder – Oceanbox Designs


GLO 4P Magnetic Dosing Tube Holder – Oceanbox Designs


(4 customer reviews)

Introducing the Oceanbox Designs® GLO™ 4P (4 Parts) Magnetic Tubes Holder – The world first screw-less angled direct-feed outlet design coupled with our super strong and reliable successor Dual Plastic Sealed “Waterproof” Magnets Mounting System. Thanks to our “food grade” barb fittings design, no more fiddling with the thumb screws pinching on your tubes or frustration to match your 2-part dosing due to the varying pressure of each pinched tube. The angled outlet keeps liquid away from wall and splashes down. Best of all, magnetic mount means it will work on any rimless or rimmed sump filter. Fits 1/8” ID or 3/16” ID dosing tubing and hold up to 3/8” thick glass.


  • Screw-less design barb fittings, no more pinching on tubing!
  • Sleek & compact design with fluorescent tension locking plate for extreme aesthetic.
  • 30 degree angled outlet keeps liquid away from wall and splashes down.
  • Compatible with all popular dosing systems (GHL, Apex DOS, etc.).
  • Dual waterproof magnets mounting system hold up to 3/8″ thick glass/acrylic.
  • Recommended for in-sump mount or AIO chamber with 6″ clearance above water level.


  • Unit dimensions: 3.5″W x 3″H
  • Fits 3/16″ ID or 1/8″ ID dosing tubing (adapters included).



Oceanbox Designs

Based on 4 reviews
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1-4 of 4 reviews
  1. KB

    Very good product.

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  2. KJ

    Best dosing line holder ever. Ensures that dosing solution ends up in the water and not against sides of the sump. I personally dislike the dosing solutions that come with the sump and rate this one AAA. GET ONE ALREADY !!!

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  3. AK

    Awesome dosing tube holder! I got the atomic orange, and from its design you will tell they care about the workmanship that was put in to it. The magnets are surprisingly strong, tube holders, the base, the size alone will definitely save space and look awesome. Great craftsmanship.

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  4. MA

    When I saw this a few months ago it was exactly what I was looking for.The other dosing tube holder just didn’t work right. I ordered this as soon as it was available. I wasn’t disappointed. I don’t have to worry about my tubes coming loose and sending fluid all over my stand. Great job Ocean Box Designs.

    (0) (0)

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