Purple and green hammer coral colour

ClownFish664

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Hi, My purple and green hammer coral seems to be changing colour, the purple is now going down the stem as well as the head, before it had a purple head and green stem but some are now mostly purple. it this normal? Sorry, I'm a little new to reef keeping. Its only a small young head.
 

vetteguy53081

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Their color is obtained from zooxanthelle produced by light . Assure moderate lighting and water flow as well as nutrients
 
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ClownFish664

ClownFish664

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Their color is obtained from zooxanthelle produced by light . Assure moderate lighting and water flow as well as nutrients
Thanks, should I increase lighting in that case? Ita a 50l nano tank with an AI prime. I have the light ramp up iverthe day slowly but Max power peak is 21W so it's a little dim. Flow have been decreases due to too much flow making the hammer touch it's skeleton so I reduced it to stop this
 

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Thanks, should I increase lighting in that case? Ita a 50l nano tank with an AI prime. I have the light ramp up iverthe day slowly but Max power peak is 21W so it's a little dim. Flow have been decreases due to too much flow making the hammer touch it's skeleton so I reduced it to stop this
65-75% blue and 15-18% white, red at 3% , green at 4% uv/purple at 70%
 
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ClownFish664

ClownFish664

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