That HI Q site lists a couple of forums that are test running the system but neither is thoroughly updated.
Obviousoly Hi Q shoulod have come here.
More over....send me a system now and I would detail thoroughly what my experience is...and we know how I like to post
What is the direction of the water flow?
Is it in the tower and then comes up and out of the gravel... or sucks water down through the gravel, then expels through the twoers?
I think its in the tower, out the gravel but thats only a guess.;..