If you have a larger tank with thick glass or acrylic, you may find your larger fish may be able to pull the feeding clip of standard magnet clips off the wall. Two Little Fishies now has the Mega Veggie-Mag feeding magnet. The Mega Veggie-Mag feeder has stronger neodymium magnets to keep the clip where you put it.

• 1″ diameter x 1″ long ultra strong neodymium magnet
• Works on aquariums up to 3/4″ thick.
• Plastic clip effortlessly holds Seaveggie sheets or other types of seaweed