I had a pair of Potters that I bought from another hobbyist, and they never bothered anything. Unfortunately, I lost them both last year (kind of a tank crash). I'd like to add something else. I think I'll do it the same way again..wait for one that has been proven to be reef safe..
"THERE IS NO REEF SAFE DWARF ANGEL"
Now Snorvich, that's not fair.....
~Michael