sps pe only during the day, not at night

claudacate

New member
I have researched quite a bit and found most people have pe during night time and less pe during the day time. My sps frag is completely the opposite. Can anyone suggest a reason for this? Thanks
 
My sps PE is greatest in the daylight and greatly reduced at night. Has always been that way.

My lps has always had the greatest PE at night.

I do not think that the role of polyps has been clearly defined in sps. I think that they may have alot more capabilities then given credit for. We see polyps snaring food in Lps and assume that it works the same for sps.

I know that when I increased the amount of white light that was on my sps, they increased PE. I also know that after a WC I have increased PE, I assume because of increased trace elements.

After several massive WCs the PE decreased. Possibly because of decrease in zooplankton or some other form of food. I refuse to believe that it was because of decreased nitrates.

My thinking is that the polyp plays a large part in the photosynthetic process (as opposed to just the skin of the coral); as well as food and mineral gathering and abosorbtion.

Clearly I am not a scientist. I am just trying to understand what I see happening in my tank.
 
do you ever feed at nite? How bright are your moon lights or nite time lighting in the house? I found my PE wasn't as good when I had "bright" moon lites over the tank, but I also try to feed a couple hours after lights go out seemed to have helped w/my after hours Pe
 
I have species that come out at day and I have some that come out at night. I also eliminated my moon lights completely for the same reason mammoth did
 
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