Sick Montipora,Kenya and Devils Hand

[PrettyFishies]

My purple monti has started bleaching, while my green monti looks fine on the other side of the tank. My kenya and green devils hand are looking bad and they are on opposite sides. It also appears that an acro staghorn is starting to bleach.

I recently had a toadstool just up and die on me and then it all started happening.

PH 7.7
AMM 0
Nitrite 0
Nitrate close to 0
Salinity 1.021

Any ideas?

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[BigRedsReefs10]

Well first thing I see is salinity is low, so that should be increased SLOWLY. Need more info to be more help though, what do you have for lighting and flow? What are your alk and ca at?


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[PrettyFishies]

Using 3 Chinese LEDs. Not sure of the wattage, alk is 10, Ca 400, flow is 2 jaebos and an iwaki 1200gph

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[PrettyFishies]

First thing I did was start upping salinity

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[Sniperhank]

What % are the lights being run at? Were they acclimated to the lighting?

 

[PrettyFishies]

Probably 45-50%. They have been under the lights for months. This just started happening out of the blue and isn't affecting all corals or any fish.

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[Sniperhank]

Be interesting to know the alk/mag levels before and after...

 

[54seaweed]

I had a devils hand that no matter where it was placed it wasn't happy ,
so I finally dropped it down in center of sand and amazingly it took off
maybe that's your issue strange but true