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Old 12/30/2017, 04:54 PM   #1
xabo
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What percentage should I run

Switched out 3 400W Halides (11" above the water) for 3 Xr30wG4 pros on a 220 gal SPS tank. The Radions are 9" above the water. What percentage should I run the Radions?


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Old 12/30/2017, 05:17 PM   #2
VoltzNSalt
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29" depth? With SPS I would start at 40% and work up...


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Old 12/30/2017, 07:11 PM   #3
Jsilverman18
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Check and see if your local club has a par meter. I picked up a seneye just for the par function.


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Old 12/30/2017, 07:15 PM   #4
xabo
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Quote:
Originally Posted by VoltzNSalt View Post
29" depth? With SPS I would start at 40% and work up...
Seems kind of low...................is there that much of a difference between led and halide?


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Old 12/31/2017, 10:48 AM   #5
VoltzNSalt
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better to start low and work up then to blast 'em & bleach them...

I would expect that you would end up higher than 40% but I'm an advocate of working up rather than down. 40% for a few days, see how they look and then work up at 5% intervals every few days and observe til you find the sweet spot...


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Old 01/01/2018, 08:48 AM   #6
mfinn
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Quote:
Originally Posted by xabo View Post
Switched out 3 400W Halides (11" above the water) for 3 Xr30wG4 pros on a 220 gal SPS tank. The Radions are 9" above the water. What percentage should I run the Radions?
The best way would be to use a par meter and match the par the tank is already getting. Even a cheaper lux meter would help.

If those aren't a option I would set up the acclimation program for 3-4 weeks starting at 45% and finish at 70%.
The acclimation program is in ESL, as well as several easily adjustable pre-set programs.


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