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Awesome tank. I enjoyed this thread. Just a couple of questions.
First, you are draining your used water into your sump? Do you have a lawn? Is this killing your yard at the sump discharge?
Second, you seem very knowledgable on LEDs. What do you think of Build My LED Custom LED Lights for DIY Horticulture Aquarium Hobby Lighting?
New light layout: 320 Gallon 8ft tank
8 EveryGrow Value Fixtures
4 Apollo G2 Fixtures
I am getting 600 par at the sandbed with everything turned up to 100%
[video=youtube_share;YnUIZRCV0Ac]http://youtu.be/YnUIZRCV0Ac[/video]
All I can say is freaking sweet system...
Do you run your lights at Both channels at 100% all the time? I just got 3 D120s w/full spectrum and I'm trying to figure out how to get the colors and growth you're getting.
I have a 232 gallon system with 125 & 90 plumbed together with the sump. I run BioPellets and also have a 5 gallon bucket of Chaeto.
I'm running Maxspect Razors on the SPS dominant 125 with Blues at 100% and the whites peak at only 50% then everything ramps down. The D120s on the 90 are at 50%B and only 25%W since mostly LPS.
Run Kalk through my ATO. and Dose CA/Alk/Mg as needed. Had a CA Rx but ran out of CO2 and had hard time keeping the pH constant (May try again soon).
Ca= 470 ppm
Alk = 200 ppm
Mg - 1420 ppm
Salinity = 1.026
Temp = 80F
PO4 = 0.1
NO3 = 0.0
Thanks
Ellery

