This lets you wipe the algae from the inside from the glass without having to set your hand into your aquarium by making use of a magnet on the outside. You’ll have to pay a bit extra, but the benefit is perfectly worthwhile. Water Bucket one. Office your airline tubing: https://aquariumfilterguideuae47802.dbblog.net/9975697/fascination-about-beginner-aquarium-checklist