Is this bleaching?

[EchoPear]

Any ideas what this strange brown spot is on my Dipsastraea? Once I rented a PAR meter I realized I was hitting it with too much light. Never seen a coral bleach before but didn’t know if that’s what it was

Thanks

 

[FUNGI]

I dont think so.....looks like you just added white light

 

[SaltyWalty]

Kind of looks like tissue damage could be caused by many different things but doesn’t really look like active bleaching, how fast has this come on?

 

[EchoPear]

Kind of looks like tissue damage could be caused by many different things but doesn’t really look like active bleaching, how fast has this come on?

I was ramping up my light over a period of probably 3 weeks because I noticed the coral was showing more signs of brown. I thought this meant it needed more light, I had read somewhere that corals brown when not getting enough light. Probably on week 3 I noticed the spot. I just turned the light way down after measuring PAR this past weekend. It should only be getting roughly 50-60 right now. I read after the fact that they excrete a brown slime when overexposed to light, which made me wonder if it bleached at that one spot