Orange Chalice

[daniella3d]

I think probably too bright light and it bleached and RTN.

I don't have an orange one but I have a purple with green eye and it likes a bit of lower light.

I don't think it's the KH because mine is always quite low at around 7 to 7.5 and my chalice has been growing very well for a year.

With LED, corals need a very good acclimatation. This is what I like about metal halide, as I can put corals near the surface and I never get anything bleached. It seem to be a gentle light to corals, no matter where they are in the tank.

LED seem to be too strong or too concentrated in certains wavelength and unless the corals already come from an aquarium with LED and are well acclimated to this type of light, I would go really slow.

I just got a radion as a back up to my MH to light up the left side of my tank and I put it very low, at 35% for now. I will see with time.

Originally Posted by Reef Pilot

I just lost my Orange Chalice that I purchased about a week ago. Not sure exactly why. It was fine for a couple days, then started to lose colour, and next thing I know I see skeleton.

I suspect it was either my KH or too much light. I did a water change (IO salt) and my KH fell to 7 (normally it is between 8 and 9). I read that they like 8 or higher, so maybe that was it.

I had placed it about mid tank on the side of a rock, but my Radions Gen2 are set to 90% and maybe too bright for it to start off.

I also acquired a Yellow Birdsnest at the same time, which I placed 2/3 up on my tank. I noticed it was getting a little bleached, too, so moved it lower and now looks like it is fine.

And also, I got a Tyree Cyphastrea Japonica, and it started to bleach as well. It was at mid tank, so I moved it lower, too, in partial shade.

All my other corals seem to be doing fine. So far only lost the Orange Chalice, but not sure if it was the light or KH that did it in, or something else.