Zoa Closing Up Losing Colour

[mcrispy96]

Water parameters are in check. Good about if nitrates and phosphates…notice they aren’t reaching as much and losing colour. Any thoughts why?

Had them for about 2 months. Started off great, grew 1 new head. Last week I noticed they weren’t opening up as much. Thoughts?

 

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What are your parameters?
Are the stable?
Any new fish/ inverts?
Change flow or light?
What is the par?