Monti caps

[pkstylez]

It looks like this thing is dying? What could be some things causing it?
Ph 8.0
Po4 .10 -.25 varies
Nitrates 0
Nitrite 0
Ammonia 0
Ca 400
Mag 1480
Salinity 1.024
Lights 8 hours 65% blue 40% white
2 hours blue before and after daytime
Total 12 hours.

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[mcgyvr]

Hard to tell as the pic is overly blue but....new growth at the edges is normally white

 

[pkstylez]

I'll take another pic in the whites. But where the white edge is it's like its dying in the middle almost a receding look?

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[chem-e]

Monti caps are pretty sturdy. If there's a problem, it could be your alk. What's your alk/ca readings?

The rest of it looks like it has nice color, so I would've guessed growth as well.

 

[pkstylez]

Took another reading
Dkh is between 6 and 7
Ca little low at 325

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[nereefpat]

Took another reading
Dkh is between 6 and 7
Ca little low at 325

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Those are both low. 7.5-8 alk and at least 380 Ca would be better. And stability is key, although Monti caps are forgiving in my experience.

There are also pests that eat Montis, so maybe look into that.

 

[Anemone]

Zero nitrate could also be a problem. Nitrates (and Phosphates) are coral fuel, having zero of either (or both) can lead to issue with corals. IMO, you should have about 5 ppm Nitrates.

FWIW,
Kevin

 

[OldReefGuy]

^agree

 

[bitwise]

I agree with others about alk and cal being low. I'd try to get Alk to about 8 dKH, and cal to 400 - 420 ppm (do it slowly over time).

Also, I've seen similar looking spots show up on my montis. As long as the tank is healthy and you maintain good water parameters the coral will heal. I never figured out what caused the spots on mine.

 

[Uncle99]

Impossible to accurately provide feedback with strong blue light.

I do see some white extending, so based on the picture, this particular Monti seems normal to me for low CA and ALK.

 

[murphreef]

Alk and Iodine are the biggest things that affect montis....

Alk should be stable between 7.8 to 9.0 max IMO

For Iodine I dose Red Sea's Coral Colors ABCD which one of the dosing elements is Iodine....