Reef safe magnets?

[chrisgold]

Would these be reef safe if not any other recommendations ?

https://www.google.co.uk/aclk?sa=L&ai=DChcSEwjqm6mclbv1AhXogFAGHcqiBFcYABALGgJkZw&ae=2&sig=AOD64_3SqrTcAftduKTG1IbxE2_FcrUAXQ&ctype=5&q=&ved=2ahUKEwit_aCclbv1AhVNPcAKHbGnCVgQwg96BAgBEAo&dct=1&adurl=

 

[A Young Reefer]

I haven't tried them but generally speaking ceramic magnets are reef safe.

 

[YOYOYOReefer]

i would plasti dip them just to be extra safe