I have been using a mag-float (acrylic one) on my 100 gallon tank. It just doesn't seem to have the power to scrape off the really tough stuff.
Does anyone own one of the more expensive magnets like a magnavore or the hammerhead magnets? Are they worth the higher cost?
Does anyone own one of the more expensive magnets like a magnavore or the hammerhead magnets? Are they worth the higher cost?