Radion Gen 1 intensity and distance from corals

crustytheclown

Bat Fish
M.A.S.C Club Member
#1
Hello
I just switched tanks this past April and alot of my zoas are not opening up. I have the same light above the tank. My parameters are on point and my water is clear. I am fighting some cyano at the moment but I think it's a new tank thing. My new tank is 11" deep and I have the light a Lil over 9" from the water. I have a zoanthid colony about 2" below the surface of the water which would be about 11" from the radion. It's only at 45% intensity also. The light is set to the "show corals" pre loaded light schedule on the radion From 3pm -11pm. Is this too much light for my zoas?
Any advice please.

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