It sounds like the bottom pulse speed knob is turned to off, turn this to 30% and use pulse mode and you should get the setting you want. Main speed 100%, pulse to 5 seconds (middle) Pulse speed 30%. Have pump 1 in pulse mode, pump 2 in inverse external control.
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Roger Vitko
Tunze USA
"He's for every one of us, stands for every one of us, he'll save every man, woman and child in a mighty Flash!"
Current Tank Info: 210 gallon planted tank with Altum Angelfish
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