Depending on the Tunze pump that works best for your aquarium, and your aquariums glass or acrylic thickness, you may need to purchase extension magnets. Tunze has external extension magnets available that work for all of their stream and nano stream pumps. That will allow them to couple to thicker aquariums than originally rated for.
6025.501 Magnet Extension increases Nano Stream Pumps to 1/2" Glass or Acrylic
Note: 6045, 6055, and 6095 NanoStream Pumps will be increased to 3/4" with 6025.501 Magnet Extension
Perfect By David on 3/20/2017David would recommend this product to a friendThis works exactly as advertised. I've gone through Vortechs (great pumps) and Gyres and switched back to Tunze. When you move past the bells and whistles, these move water just right. The magnet made sure I was able to take advantage of the great pumps on my acrylic tank.
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