I examined all the rocks very closely several times. There could be a small sponge left in a piece of pukuni I couldn't see, since I know it didn't all cook out, but overall the rocks are quite clean. There could be something in them, but I'm sure the shrimp would have much more of an effect than anything in the rocks.
I agree and am taking it out this morning. It seems that the only thing available to fuels a bloom like this is the decaying matter.
No, I used water where I could. The only exception was one powerhead I moved in yesterday. It got a full disassembly and soaking, along with a good rinse. I have 4 other tanks. The cause may be airborn, but this tank has something fueling it.
nope. I caused whatever this is