dont even know what to say, oh I do exactly the opposite my cloner runs 24/7 and the system I'd like to make it more of a true aeroponic setups 1min on 45min off I have the ez clone 120 with the new pump so the water temps stays the same and I get roots in 4 to 6 everytime without rooting hormones .And like I said earlier its a long and fruitless engagement of stupid words on pumping cycles its all personal preference, I would totally love a side by side comparison on cycle timing ,,,,,,,,,,, and its effects tho