I hear someone is using a 1W laser pointer to kill unwanted polyps in his DT. Has anybody here ever heard of somebody using a laser on their tank? Can you explain how it works? Here is the video I found on youtube:
[ame="http://www.youtube.com/watch?v=Cbk7mA5PuAQ&feature=player_embedded"]http://www.youtube.com/watch?v=Cbk7mA5PuAQ[/ame]
[ame="http://www.youtube.com/watch?v=Cbk7mA5PuAQ&feature=player_embedded"]http://www.youtube.com/watch?v=Cbk7mA5PuAQ[/ame]