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Discussion Starter · #1 ·
Considering upgrading my light fixture with an ATI 4x24 for my 33 gallon tank but am unsure if this is too much light. I'm currently using a GLO 2x24 t5ho unit which gets me low to mid 30's par at the substrate. Currently just growing e. Belem and blyxa but want to optimize growth. Also running pressurized co2 around 40ppm and Ei dosing. Any suggestions would be appreciated!

Thanks folks!
 

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Keep that light about 30 inches from the substrate and you should be ok. Or, just run two bulbs at a time, and keep it about 6 inches above the top of the tank. You should have had about 60 PAR with the Hagen GLO light.
 

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Discussion Starter · #3 ·
Keep that light about 30 inches from the substrate and you should be ok. Or, just run two bulbs at a time, and keep it about 6 inches above the top of the tank. You should have had about 60 PAR with the Hagen GLO light.
I have the glo fixture at 14-17 inches from the substrate depending where it is in the tank. I rechecked the par (using the DIY par meter I got from you a few years ago) and at the substrate directly under the light I'm at about 35-37 par. Any idea why it would be so low if your expecting quite a bit more? I appreciate your feedback hoppy!

Kevin
 

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Discussion Starter · #4 ·
So now I'm torn between upgrading my light to get to high light or going to a sump/overflow filtration for better co2 diffusion. Can only upgrade one. What should I do? Which is more important from the beginning?

Kev
 
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