long tentacle anemone

I’ve previously had different anemone but this is my first with a long tentacle anemone. I have many years with experience so I know that the light and water is perfect for them but not sure what is wrong with my anemone, never seen this happen please help. Please only reply back with...

I purchased a long tentacle anemone for my 55 gal community tank (probably expanding to at least a 75 at some point) and was wondering what people's favorite LED lighting was and if mine was enough. I have a Beamswork DA 0.50W Series LED Pent Aquarium Light 48" from Amazon (link is...