Questions - Need some input

Anyone know of a reef safe, preferably easily available at home depot or lowes, plastic dip for magnets? I would love to make my own frag mags and use them for other in-tank reef applications. Thanks in advance.

Adding to my last blog about my mystery find, there was another thing that caught my eye that night. There was a zoanthid colony that was really nothing special, they were blackish blue with whitish mouths. Different but not enough to make me want to spend $30 bucks on them. HOWEVER, as I looked at the rock they were on, there was an eye-popping hitch hiker. A colonial tunicate! I have always wanted to try one and they are few and far between. So, I went home and immediately started researching ...