Trouble keeping any corals

[RotaryGeek]

With everything looking so perfect in your tank, i would really have to say that maybe its too clean. Try feeding alot more, or adding more fish.

 

[twelvejewelz]

With everything looking so perfect in your tank, i would really have to say that maybe its too clean. Try feeding alot more, or adding more fish.

The only reason i dont think thats the case is because the op says the corals are brown. A low nutrient or even ULNS(vodka dosing) tank causes corals to grow faster and at the same time lightens up the sps.Usually phosphates and nitrates slow growth and cause the browning in sps. Plus the 3 fish would be enough of a bioload to have some nutrients. You never know though. Adding amino acids for a week or 2 will tell you if the tank was to clean though as well as adding a couple fish. Im wondering if you have an ATO because this will cause the salinity to swing to much and other parameters to swing to much if your letting to much water evaporate before topping off. At the 10month mark the tank should just be coming to the point where it is a stable environment. The thing is though if the water was high in nutrients the GSP would probably be growing like a weed. I would go through this thread and take all of the suggestions and possibilities people have given you and write it in a list. then post it in a list order and try one at a time. If one dosnt work put it back to the way it was before and then give it some time and try the next one.Thats your best bet at this point IMO

 

[microwave]

Do you have an ATO ? Do you Dose Kalk?

Yes I do have an ATO and top off with saturated kalkwasser.