getting burned

[M peacock]

upgraded my 55 from pcs to dual 250 watt 10k hamiltons. lost my frogspawn, hammer, and now my bubble. I used short time periods and had moved them low in the tank. is it still to much?

[jasper24]

Hmmm. You sure it was the light? My frogspawn is about 6 inches directly below my 150 14K. It loves it. It came from a nano cube with PC's and never looked bad during transition. In my experience froggies are pretty tolerant / forgiving.

[Honigbiene]

Is the 250w a double ended bulb? Is there UV protection glass over the bulb?

[M peacock]

Im only assuming it was the light shock. frogspawn did great for a year under lower light pcs. a week with my halides and it was gone! bulbs are screw in style. with uv shield. i thought that moving corals to bottom and reducing time period would would be ok! ive been wrong before.

[reverendmaynard]

By moving them, you also changed the flow they were getting, which could have also been an issue.

I think it would have been better to mount the new lights very high over the tank, and then gradually lower them towards the water surface.

[Honigbiene]

Aah Men Reverend

[M peacock]

I did mount them 14 inches above water. i thought that would be enough! i also didnt move them until after i saw they were stressing, i covered the top with some screening and it looks as though things might be turning around. other than some mushrooms that were on the bottom but i think they will make it since i moved them into some shade.