Can we talk lighting?

discostew

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Hey all,
I’ve had my 45 gallon up and running for 1.5 months. It’s fully cycled. Have some softies and 1-2 lps. The softies are happy, los are okay. Nitrates are 2-4 and ph, alk and salinity stable. Have a red sea led 90. Blues are at 30% acclimating up to 50%. As far as lighting is concerned I’m clueless. I have no idea where i am aiming for. I don’t have access to a par meter. At this point im just guessing
 
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shwareefer

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I assume from this graph from their website that these number are with the fixture at 100%. With softies and LPS, 100 par is good initial target. Maybe you can figure it out by comparing your settings, dimensions, and coral placement to the graph.

reefled_par.png
 
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discostew

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I assume from this graph from their website that these number are with the fixture at 100%. With softies and LPS, 100 par is good initial target. Maybe you can figure it out by comparing your settings, dimensions, and coral placement to the graph.

reefled_par.png
Thanks. Stupid question but if i cut the lights to 50% would that valve the par values on the graph?
 

shwareefer

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Thanks. Stupid question but if i cut the lights to 50% would that valve the par values on the graph?
Not a stupid question. I'm not sure. As you noted without a par meter it's just guessing. I have no idea if par output is linear with power output. Your original plan starting at 30% is as sound as any.
 

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