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Topic Review (Newest First)
11-02-2011 12:50 AM
andymac I'm familiar with the PAR charts, but I'm not sure how different the light output is between 2x36 watt PC bulbs and 2x65 watt PC bulbs..

never mind, went digging through the 7th page and Hoppy said "all PC bulbs give the same PAR at a given distance from the bulb." I guess the wattage doesn't really matter!

Looks like I'll go with the 130W PC and only use one of the bulbs/possibly raise the fixture.

Now, if only my aqua soil would get here..
11-02-2011 12:22 AM
Daximus
Quote:
Originally Posted by Optix View Post
1 light + his ability to move it up and down should probably work -but again, I would shoot for less light (a single T5HO can still get him too high for inconsistent DIY CO2)
10-4! I wasn't trying to be wise, just asking questions. Thanks

/threadjack, lol
11-02-2011 12:07 AM
livingword26 Look at the first couple of posts and charts here:

http://www.plantedtank.net/forums/li...t5-t12-pc.html
11-01-2011 10:37 PM
Optix
Quote:
Originally Posted by Daximus View Post
@Optix

Would they be ok with just one of those? The lights are independently switched.
1 light + his ability to move it up and down should probably work -but again, I would shoot for less light (a single T5HO can still get him too high for inconsistent DIY CO2)

Quote:
Originally Posted by andymac View Post
I'm looking for a little more than low-med light, I want to grow a nice low carpet of eleocharis parvula.

so is even 65W of PC out of the question? I think that my DIY CO2 will suffice for a med-high light, I run three 2 liter bottles and change the bottles every two weeks (not all at once)
would do just fine in low-med light (a strain of DHG right?) I have a DIY 2x14w T5NO (~6" above tank) fixture on a 20L tank and had a carpet of DHG (just removed it because I wanted to go back to glosso -growing emersed in a windowsill for another month or two probably before I have enough to start)

people want to be in teh high light range too often without understanding what it really entails ...low-med light = freedom to make mistakes and TIME to correct them
11-01-2011 10:22 PM
andymac I'm looking for a little more than low-med light, I want to grow a nice low carpet of eleocharis parvula.

so is even 65W of PC out of the question? I think that my DIY CO2 will suffice for a med-high light, I run three 2 liter bottles and change the bottles every two weeks (not all at once)
11-01-2011 10:03 PM
Daximus @Optix

Would they be ok with just one of those? The lights are independently switched.
11-01-2011 09:54 PM
Optix
Quote:
Originally Posted by andymac View Post
I've done a lot of research on lighting since buying a 20 gallon long (12 inches tall). Initially I wanted to go with a 2x24 watt T5HO Catalina fixture, but after reading a lot of horror stories on high light algae outbreaks, I'm not sure I'm ready for that realm of lighting yet.

This is what I'm currently thinking
http://www.catalinaaquarium.com/stor...oducts_id=1168

would 130W of PC be less than or equivalent to 48W of T5HO? If 130W is too much, they have a 65W version.. which fixture would put me in the medium-high light range?

I would be going for 2 T5NO Coralife fixtures if they still made them...

I have DIY CO2 with EI fertilizing, and am aiming for a heavily planted tank. I do have the option of raising the lights up to about 12" above the tank. Thanks!
would be why high lighting is out for you

get a 2x14w T5NO fixture instead (you would be low-med)
11-01-2011 09:12 PM
andymac
wanting medium-high light for 20 long

I've done a lot of research on lighting since buying a 20 gallon long (12 inches tall). Initially I wanted to go with a 2x24 watt T5HO Catalina fixture, but after reading a lot of horror stories on high light algae outbreaks, I'm not sure I'm ready for that realm of lighting yet.

This is what I'm currently thinking
http://www.catalinaaquarium.com/stor...oducts_id=1168

would 130W of PC be less than or equivalent to 48W of T5HO? If 130W is too much, they have a 65W version.. which fixture would put me in the medium-high light range?

I would be going for 2 T5NO Coralife fixtures if they still made them...

I have DIY CO2 with EI fertilizing, and am aiming for a heavily planted tank. I do have the option of raising the lights up to about 12" above the tank. Thanks!

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