For my mixed reef, should I be using T5 in unison for coral growth or just for supplement?

TreyC2010

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I have a 150 gal, 4 ft tank. The dimensions are (48x30x24). I’ve been using the aquatic life t5 with 2 Kessil a360x lights. I’ve got three coral blue bulbs and an actinic bulb in the t5.

I was reading par today, just before the t5’s cut on and it was around 50 at the sand and then around 140-150 at the top right hyndophora. Once the t5’s cut on, I had a HUGE jump in par. The sand bed was 100 and the hydnophora was 200-225 bouncing. Would that jump in par be the reason some of my euphyllia are retracting? I have them in low par (50-100) during the time that the t5’s are off, but they have a big jump when they cut on.

I wasn’t sure if I should just go all led and turn them up a little, while using the t5’s for actinic lights vs keeping it as it is.

Any help is appreciated.
Ill attach the light schedule and photos.

Kessil

Time. Color. Int
0900 1. 1
0935. 10. 20
1200. 20. 65
1305. 31. 80
1600. 30. 80
1700. 25. 65
1900. 20. 40
2100. 0. 0

T5 on at 1300, off at 1600

AB77FA0B-248F-4141-A990-7C9A0FEFE990.jpeg image.jpg
 
BRS

PeterC99

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I’ve only used LEDs but are the T5’s all or none? Meaning that the only 2 options are off and on - no adjustability or acclimation mode?
 
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TreyC2010

TreyC2010

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I’ve only used LEDs but are the T5’s all or none? Meaning that the only 2 options are off and on - no adjustability or acclimation mode?
Yes. Mine are no dimmable. So that jump is sudden. I could bump up my leds to match the par and then cut them down while the t5’s are on, but I’m worried about burning corals like that.
 

PeterC99

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I have 2 Radions XR30s over my 90g with max 80% Light Point Intensity. 600 par at the top of my aquarium. Acros love it. Slowly acclimated them to these levels. My hammers are at the bottom around 175 par.
 
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TreyC2010

TreyC2010

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I have 2 Radions XR30s over my 90g with max 80% Light Point Intensity. 600 par at the top of my aquarium. Acros love it. Slowly acclimated them to these levels. My hammers are at the bottom around 175 par.
Awesome. I guess the stability and slowly acclimating them are key.
 

PeterC99

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