I have something throughout my live rock that intermittantly spits out a brown substance into the water column. I am wondering what is doing that. I can't see anything from a visiual inspection.
Hoping I can find out here.
Giles
I have a fairly new tank set up, 3 months old, and have not encountered this problem before. My tank has high Alkalinity about 10.8 and low calcium 300 ppm. My PH is around 8.0 which is also a little low. These parameters do not seem to change regradless of the quantity and volume of...
