Motipora cap recedding

mebo926 · May 17, 2013

I have a 29g bio cube that has a purple motipora cap that the color is receeding on. I bought a green one and purple the same day at WWc and green looks fine. I noticed a little color change and then moved it lower and then its gotten worse.
I checked all my params and the only thing is my pH is a 7.9. The nitrate and nitrite are all 0. I didn't check my phos or calcium (can find the card). All the zoas are fine and also my chalice and my other acro also. Don't know.... Anyone have any ideas?

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kschweer · May 17, 2013

Your pH is a little low. Did you happen to test your alk?

mgdth · May 17, 2013

Def sounds like low Alk...

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mebo926 · May 17, 2013

Yeh I want to get the ph up. Haven't tested alk, don't think I have a test for that will check.

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Reef Pets · May 17, 2013

For SPS the three main tests and levels that need to stay in check are salinity, calcium, alk and magnesium. If any are off make sure to adjust them slowly.