These spots showed up about a week ago. They come and go, but never go completely. The rest of the coral is growing I’m getting great polyp extension.
parameters:
1.026sg
Temp 79
Ph 7.7 -8.0
5-10 ppm nitrate
barely detectable phosphate
Undetectable nitrite and ammonia
Cal 440
Alk 10.0
Mag 1340
I am using kalk in my ato. dosing brs alk & cal, brightwell magnesion to water change
it’s getting 90 par if the torch above it closes, which is almost never, about 75 when the torch is open
in the time it took me to type this message and take the photo, the two spots I pointed at are now gone.