View Full Version : Does total darkness kill planaria?
icliao
07/05/2010, 10:45 PM
I heard that total darkness for several days can kill planaria.
Personally I have doubt about this but is this possible?
Hormigaquatica
07/06/2010, 01:03 AM
No; it will likely have zero affect on them. Sorry. A blackout period is better suited for relieving cyanobacteria outbreaks.
Frick-n-Frags
07/06/2010, 06:24 AM
although, from watching them, they do come out to catch some rays every day, then go away at night..
i have no idea what bearing that has on this question though :D
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