This is a great addition to any aquarium. I bought this to use as a night light for my 10 gallon tank. I particularly like that the bubbles weren't too strong for the water to evaporate too quickly. The only problem is that after a few weeks the holes get clogged (maybe with algae) and no cleaning will clear the holes. Drilling new holes in the rubber didn't help either, since the original holes are very small slits, so the size and number of bubbles that came out of the holes were uneven. Would only recommend to those who don't have live plants so you don't have the same algae problems.
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