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Unread 05/22/2016, 07:27 PM   #1
surffer227
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Ocean revive led settings

So I just purchased two Ocean Revive T-247-B 120w LED lights and I love them. The light I had on the tank was a weak fish only led, mainly white with a few blues. So I'm trying to acclimate to the new lights, so far everything seems to be going well, I just want to know what you guys think, I also want to know about How long I can run these. Now I have them set to come on blue at 630am white at 7am, then white off at 730pm and blue off at 11pm. I know that's pretty long, but for me to enjoy my tank due to my work schedule, those are my ideal times. Now if I run a lower intensity could I make this time schedule work? Right now I'm at 10%white and 15%blue. I have some misc. corals, a BTA, a rock anemone and a few fish, Any feedback is appreciated, thankyou!


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Unread 05/23/2016, 04:52 AM   #2
Ron Reefman
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How deep is your tank and what kind of corals (if any) do you have in there now? Running 10% and 15% seems pretty low to me unless this is a very shallow tank.

Running as long as you are shouldn't be a big issue. The minimum is about 6 hours and the max is flexible, but I'd try to keep it under 14 hours.

You need the 'intensity' (PAR) to be high enough that the zooxanthellae in your corals get enough light to start up and perform photosynthesis. Think the sun from 9am to 3pm on a tropical reef.


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Unread 05/23/2016, 05:49 AM   #3
surffer227
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It's a standard 75 gal so I believe it's 22" deep. For corals, I have a med. sized torch, a small hammer, a colt, small acan, few zoas, water melon chalice and another purple chalice. Most are pretty new to the tank so they can probly handle the light, mainly worried about my BTA getting burned.


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Unread 05/24/2016, 08:28 AM   #4
Ron Reefman
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Over a 22" deep tank I'd suggest you start at something like 50% blue and 30% white. Then every week or two bump up one channel or the other by 5%.

I have a 25g frag tank that is only 10" deep and the T247 is 20" off the water (so I have room to work in the tank). But air doesn't reduce the PAR by anything like the water does. After a few months of acclimation I now run the tank at 100% blue and 10% white.

Add the 2 channel setting together and I'm at 110. I have run at 90% blue and 40% white for a long time with no issues (that would add up to 130). You are currently at 25, that's too low IMHO. But if you are concerned, just raise the power levels slowly over time.


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