Plastic or Epoxy Coated Magnets?

robsworld78 · May 17, 2020

Hi, which of these magnets would you feel more comfortable with in your tank?

N45 1/2"x1/2" Neodymium Rare Earth Cylindrical Magnet Epoxy Coated

www.magnet4sale.com

N52 1/2"x5/8" Neodymium Rare Earth Disc Magnet Plastic Coated

N52 Disc Neodymium magnets ND0401-52P

www.magnet4sale.com

ApoIsland · May 17, 2020

Plastic all day long. The epoxy ones crack easily. Even the triple coated. I also cover the plastic ones with a layer of rubber cement just in case.

mfinn · May 18, 2020

I would go with the plastic coated ones.
I made frag racks a few years back and used the epoxy coated ones for the outside magnets and found that they would eventually rust. While they looked perfect when you get them new, they must have tiny scratches that allow air/water to get in.

robsworld78 · May 19, 2020

Thanks, I went with the plastic. For the longest time I was settled on getting epoxy as I figured lots of people used epoxy in tanks to hold things and thought it was quite durable. Everything I read seems 50/50 on both but yeah I guess more leaning plastic.