Hey, DIYers... I'm having trouble with a misbehaving saddle valve that is the water source for my automatic water change system. It should be running continuously at a trickle, but it's running at a gush. So I tried to turn the flow down, and it won't. As far as I can tell, the valve is closed. I can't turn the thing any further, but the flow rate is about 150 gal/ day. If the valve is closed, it should be 0, but I'd be happy if I could get it down to 15 gal/day.