SPS Bleaching question

[Mike de Leon]

I have just replaced my lighting from 2 400 watt SE halides to 8X80 watt T5 ho and started to get bleaching on a couple of corals and real nice colors on a couple. The lights have been on the tank now for a month.
My question is will the colors come back on the bleached ones? I will have to put them in the sand for the time being. The PE has improved a lot but the colors are completely gone. I think I had issues as well with kalk as the KH is close to 12 right now with my calcium only at 390. Hard to strike a balance with just a CRx.
Thanks in advance.

 

[GhostCon1]

I believe I have read that eventually (a long time) the tissue will start to grow back where it has bleached.

Try to lower your dKH and see if that helps as well.

That's really odd that they bleached going down in wattage on your lights. That leads me again to think dKH possibly.

Also, you have good PE so they're trying to hold on

 

[Mike de Leon]

Thanks