Review on Tunze Care Magnet Nano: The Ultimate Solution for Glass Aquariums Up-to 3/8 by Brokencyde Greer

Pros: Easy to use, no rust, great job with a simple pass to remove most algae from the B/W environment, good magnetic power (just make sure you they manually move the next panel, or it will likely fall off) Cons: A bit big for a 30 gallon borderless (24 x 24 x 12) should be a pico. No steel blades for it? It sinks to the bottom. Expensive for this type of instrument. Overall: I'm glad I bought it, but needed to be smaller to get into tight spaces. Plastic blades seem to work well in SW environments, but would like to see steel or whatever metal they use for more resilient algae (usually in hard-to-reach areas). If it was a few euros more I would return it.