Headlights look cool and stay relatively clean; The Aerostone was clogged underwater for a week. I tried the flat edge of a butter knife to clean out the pores of the rubber but it didn't work for me at all. Some people said to just use a pin to punch new holes in the rubber but I figured I wouldn't do that every week! So I bought a much better quality airstone here (Como Fish Tank Aquarium Blue 14" Bubble Wall Airstone with 3 suction cups) and just held it under the light and now I'm happy. The light isn't too bright, no reason. It is not a problem fish and if your aquarium has a glass lid the lighted water creates an eerie image of water flowing down your ceiling which my wife says looks pretty cool!Recommended but for lighting purposes only.
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