crocea with a 70w MH?

i have a 30 gal tank with a 5200k MH ( 70w) and 3 actinic lamps ( 20w each). i want to buy a small tridacna crocea or a derasa and put right in the top of the tank. what would be the best option? does the crocea do weel with this lightning?
 
Hi,

Personally, I don't think that is sufficient illumination for either species, but I may be wrong. I have moved the post to this forum as you may get some more information here.
 
Eduardo, Im wondering how the color of your tank looks. Do the actinics even out the yellow of the 5200k bulb, have you evened the light out at a white color, or does it still really look yellow a little??

just wondering since im setting up a 100wmh 5500k w/2x36 watt actinic
 
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