Stenner Flow Indicator -Underused, Under Appreciated, Life Saver

Stenner Flow Indicator -Underused, Under Appreciated, Life Saver

We’ve all been there. You’re standing in front of your Stenner chlorine or acid feeder and are wondering:  Is this thing pumping any juice?  Do I have a suction leak somewhere? Does my chemistry issue lie elsewhere, like with the actual water balance?  What do …..