Description
* Miniature algae scrubber for keeping nano aquariums clean
* Magnetically coupled scrubber effectively removes algal film
* Extremely thin scrubber pad fits even tight aquarium spaces
*glass or acrylic up to 3/8" thick
*The NanoMag scrubber pad measures 1" x 1" x 1/8" thick. * External magnet measures 1-1/2" diameter.
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