That is something I didn't think of, so I will take most of the floss out. I put floss in for I was concerned that the powerhead would suck up gravel in the tank. At present don't have any small fish in the tank. After I break it down and reset it up I will be adding some platy fry to the tank.
I found a leak in 1 of the bottles after I shook the bottle up and took my finger off of the hole.
I have a little bubbles streaming out of the outlet. I usually don't see bubbles. The ph has gone down below ability to read it, so I am adding some baking soda gradually. All of the fishes, except new one, are doing okay.