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lcs
03/29/2013, 11:19 AM
I have a 56g w/20g sump that has been set up for 3.5 years now and I'm considering adding a BTA. My biggest concern is my lighting setup. I have 4 t5s with 96 total watts. Is that enough? The top of my rock stack is about 18" from the lights.

cet98
03/29/2013, 12:05 PM
what's the dimensions of your tank?
what type of T5 fixture are you running and what bulbs?
how is your water quality?

lcs
03/29/2013, 01:00 PM
The tank is 30"Wx18"Dx24"H. The fixture is a Current that was available a couple of years ago and for bulbs I have a GE 6500K, Geismann Actinic+, ATI Coral Plus, ATI Aquablue special. I think that's the order I have them in anyway, I'm at work at the moment.

My water quality isn't perfect, but it's not bad. I do have some PO4 as evidenced by hair algea and some cyano and my NO3 is 5 or 10ppm, which I am in the process of bringing down before I add anything.

Temp 80
SG 1.026
pH 8.0
alk 8.9

cet98
03/29/2013, 02:36 PM
verify your water parameters before anything...get them right and maintain them.

as for the lighting, IMO I think the 4 lamp fixture may barely be sufficient with a 24" deep tank.
if you could upgrade to a 6 lamp fixture like an ATI or TEK I think you would be in much better shape...
FWIW I would also recommend replacing one of those white lamps with a Blue+...
the Coral+ and ABS are almost identical lamps

lcs
03/29/2013, 03:00 PM
the Coral+ and ABS are almost identical lamps Yeah, I realized that after I installed one of them; definately more white than I would like.

Thanks for the fixture recommendation. Assuming the 'nem stayed at the top of the rocks (hah!) would the 54watts then be enough?

cet98
03/29/2013, 03:38 PM
you mean 96 watts right? :lol:
like I said, I'm not positive but it may be if it finds a happy place up top.
if there's a way for you to use a PAR meter and check your PAR values, that would help in determining so.

lcs
03/29/2013, 04:24 PM
you mean 96 watts right?Heh. Yeah. Not so much with the arithmetic skills. :rolleyes:

Thanks so much for your help. I think it's just decision time.

cet98
03/29/2013, 04:33 PM
no problem...good luck :)

one last question though........Jets, Giants or Bills? :lol:

lcs
03/29/2013, 04:38 PM
I have to say Giants if only in support of my brother-in-law, I can't stand the Bills, and actually I used to be a Redskins fan. As in back before there were free agents. *sigh* The good ol' days!

cet98
03/29/2013, 04:49 PM
good answer!!!!!......

http://i730.photobucket.com/albums/ww309/cet98/image.jpg


oh the good 'ole days......:lmao: :lmao: :lmao: :lmao: