Zoa colors fading from carbon dosing
 

So my nitrates hit 20, algae started showing up so I thought I'd carbon dose. I use NOPOX from red sea and have been doing so for over 2 months. Good new, my nitrate fell to 5, bad news, my zoa's all faded in color.

Anyone know why this would be? Have suggestions to color them back up? Nothing else in my tank has changed other than the carbon dosing and the fading started right after I started the dosing.

Are my nitrates and phosphates just too low now? Do zoa's react to the carbon?

I know some will say "stop carbon dosing" but my sps are lovin it and my algae is totally gone so I'm liking the dosing as I feed heavily and have big fish.

Thoughts?

Try spot feeding the zoas for a bit and see if it improves, could be the low nutrients causing it

Best zoa food? Polyp lab any good? Coral Frenzy?

This is a common issue with using carbon

I would continue to dose and if your nitrates and phosphates get quite low then you can increase feeding (slowly)

Any way to combat the color loss?

Since I started carbon dosing I have the same issue, my palys do great but the zoas not so much, they are actually getting better now after a few weeks but they don't use to look like how they use too. My sps do great tho .


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Ive been carbon dosing for quite some time and don't seem to have this issue... I dose fuel aswell as Tropic Marin Part C so maybe that has something to do with it?

The curse of a mix reef sps/lps/softies all like the water slightly different it would seem. It is hard to keep them all perfect. One of them is always a little grumpy with the conditions.

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Yeh. Its the common issue with mixed reef. Good for some, bad for others.