Less light triggered algae

BradH · 08-26-2011, 11:30 PM

I was running 2 lights on my 29 gallon, a 36 watt coralife t5no and a 20 watt t8 tube, just to see what the effects would be. I normally just run the T5NO. So I decided to turn off the t8 and since I did that I have what appears to be thread algae. Why would less light trigger algae?

**Jeffww** · 08-27-2011, 01:18 AM

A sudden change in conditions perhaps let algae take foot in your tank. Or it could have been that the algae problem was already nascent and you turned off the light just as the problem began to occur. Increase the light again and see if it stops the growth of the thread algae.

BradH · 08-27-2011, 04:23 AM

I'll try turning the light back on for a few days and see what it does.

08-26-2011, 11:30 PM	#1
BradH Planted Tank Enthusiast (View User Tanks) PTrader: (13/100%) Join Date: May 2008 Location: Nashville, TN Posts: 914	Less light triggered algae I was running 2 lights on my 29 gallon, a 36 watt coralife t5no and a 20 watt t8 tube, just to see what the effects would be. I normally just run the T5NO. So I decided to turn off the t8 and since I did that I have what appears to be thread algae. Why would less light trigger algae? __________________ ----- Brad 40 Gallon Breeder Plus 3 10 gallon tanks 10 Gallon Shrimp Tank

08-27-2011, 04:23 AM	#3
BradH Planted Tank Enthusiast (View User Tanks) PTrader: (13/100%) Join Date: May 2008 Location: Nashville, TN Posts: 914	I'll try turning the light back on for a few days and see what it does. __________________ ----- Brad 40 Gallon Breeder Plus 3 10 gallon tanks 10 Gallon Shrimp Tank

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08-27-2011, 01:18 AM	#2
Jeffww Microsynodontis Lover (View User Tanks) PTrader: (9/100%) Join Date: Aug 2010 Location: Houston Posts: 2,081	A sudden change in conditions perhaps let algae take foot in your tank. Or it could have been that the algae problem was already nascent and you turned off the light just as the problem began to occur. Increase the light again and see if it stops the growth of the thread algae.