The Two Little Fishies Nanomag is an innovative and compact high-energy window-cleaning tool designed for aquariums. With a patented design that offers flexibility and a slender profile, this device can easily clean glass up to 1/2-inch thick. Not only is it effective on curved surfaces and fish bowls, but it also effortlessly removes algal films. Make cleaning your aquarium a breeze with the NanoMag from Two Little Fishies.