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favia placement?

T

TheMick75

Hey everybod, have a quick question about my new-ish favia placement. I have dual 150W 15000k hallides, with PC actinics. Currently I have my red/green favia frag about 12" from the water surface, and 16" from the fixture itself in direct lighting on top of one of my rocks. It seems to be bleaching a little bit, should i move it lower, or will it get used to the lighting? I've seen a lot of people with favia frags on the sand, is there a reason as they need less light? Also, do they grow their own skeleton, or do they need a rock to grow over?
Any info would be greatly appreciated!
 
J

Jcurry@wesketch

All corals will generate their own skeleton they don't need any rock for this. As a general rule I always start a new coral on the bottom of the tank furthest to the sides or ends where the light is the weakest. It is easier for a coral to adapt to less light than higher light and reduces the chances of bleaching. After a week or so on the bottom I slowly move the coral over to the middle of the tank and up to where I ultimately want it positioned.
 
T

TheMick75

sweet! Thanks. I actually just fed my fish and corals (a mixture of mysis, cyclops, finely diced fresh shrimp and clam), a mixture i do about once a week, and WOW did my favia LOVE it...as soon as i started feeding the first half of the tank, i could see the tentacles sprout up, i made my way over to it and it's eating like CRAZY. I'm pretty excited about its reaction.
 
M

mnat

Officer Emeritus
Staff member
Moderator
Yeah have to second the placing it on the sandbed. With that amount of light you have the lower the better for the favia.
 
Phyl

Phyl

Officer Emeritus
Officer Emeritus
With a favia I'd start in a light shadow. Move it in or out of the light depending on how it does.
 
J

Jcurry@wesketch

Favias can take a lot of light you just have to careful about acclimating them slowly. I had 2 favia colonies that were about 4" below the water under 960 watts of VHO and they were thriving. So if you want to move them higher up you can.
 
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