OK cool, again it was just something I had remembered seeing and thought I would throw it your way. Are you going to have both the suction cup and magnet products available then as a choice or are you swinging one way over the other?
Thanks very much for raising this point. Potential interactions between fish and magnets were definitely something that came to mind during development of those magnet planters. I would not be surprised if some do have some sensitivity to strong magnetic fields. However, very strong sandwich magnets are already used with a number of aquarium appliances and other devices, such as algae scraping pads and powerheads, with apparently limited negative effects. This is perhaps an issue to be aware of, but I don't anticipate that those magents on the riparium planters will cause significant problems.
Nevertheless, I think that I would be disinclined to use such magnets with certain fish, such as sharks.
Heya, I just saw that you have a magnet basket product available now. Im a bit of a geek (ok honestly Im a HUGE geek) and I remember seeing a study a while back on the effects of magnetic waves on birds and sharks (I think it was on discovery channel and if I can find the specific story Ill link it). I was just wondering if you had considered the effect on fish with this set up, especially with how much iron we tend to dose in a planted tank? Im NOT a PITA member nor some crazy animal rights person, just thought I would bring this to your attension. Here are a couple of informative links if your interested http://www.coolmagnetman.com/magbio.htm http://en.wikipedia.org/wiki/Iron.