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Magnavore M-4ER Algae Magnet Cleaner

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Product Description

Magnavore M-4ER Algae Magnet Cleaner


Power to spare!  Super strong neodymium rare earth magnets and custom cleaning pads power through 2 week old algae on both glass and acrylic tanks.  Works on 55 to 135 gallon aquariums.


Designed for 1/2 and 5/8 inch thick glass and acrylic, most glass tanks from 110 to 200 Gal. & most large acrylic tanks up to 48 inch long and 30 inch high. The inside magnet projects 1/2 inch beyond the outer magnet. This extended reach allows cleaning beyond the visible edge of trims and canopies. Other advanced features such as ergonomic grip, replaceable pads for glass and acrylic, large 2.5 x 3.75 inch cleaning surface and one year warranty set this product apart from all others.

External Half Magnet:

  • External half magnet is made of 3.75" x 2.00" x 1.75" welded ABS water resistant shell.
  • Twin rare earth magnets are embedded inside the shell.
  • Random Flocked Acrylic contact pad safely protects glass and acrylic. Wears thin over time and is replaced as needed. Included with every Tune-up kit and Acrylicare kit.

Internal Half Magnet:

  • Internal half magnet is made of 3.75" x 2.50" x 1.13" watertight welded plastic casing and features two rare earth magnets.
  • The contact surface is a medical grade nylon with tremendous cleaning power on glass. It also acts as a holder for acrylicare pads.
  • Impervious to fresh and salt water. Can be kept continually submerged.


  • Choose cleaning surface according to tank type.
  • Soft polyester acrylicare pads for acrylic aquariums, go over the base pad.
  • Abrasive base pad for glass aquariums.
  • Replace as necessary.

Warranty Information

Manufacturer warranty available through Magnavore (1 year). Shark & Reef offers a 60 day money back or exchange. This product must be unused if returned.

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