PAR level, Apex PMK

[slayerhellfire]

So just wondering what a good overall PAR should be in my tank, right now i am getting 250 where my monti's sit, only have one acro a red planet sitting in the same PAR, LPS are sitting on the sand at about 150-170 PAR. 85% of my tank is zoas. I am trying to find a sweet spot for everything without hurting the corals, would you say a target of 170 ? Being measured by apex PMK, using reef breeders Photon V2

 

[redfishbluefish]

Check out Dana's MACNA talk from 2016. To summarize the light part, photosynthetic saturation occurs at about 115. If you go too high, it becomes inhibiting. Recommends PAR of 100 - 200.

 

[slayerhellfire]

thanks I will watch this in few minutes, I read about people blasting there corals with 250-350 par and I my lights can do that but my stuff def don't like it