How to determine flood and drain timings?

Discussion in 'Drain-To-Waste Hydro' started by Surfer Joe, Jan 4, 2017.

    Surfer Joe

    Surfer Joe Member

    If using a flood and drain system that recirculates the nutes, using clay pebbles and the buckets are 10L outer bucket and 6L inner pot, how would you figure out the timings for flood and drain?
    Do they vary during the life of the plant or between veg and flower? Does it depend on strain? How do people figure out how to set the timings?
    What is the theory?
    Submerge the roots long enough to uptake some nutes and then keep the roots in air as long as possible before drying out?

    fandango Well-Known Member

    My set up is run for 15 minutes(cheap timer)1 time to 2 times a day.
    Using 2 gallon flood pots and mini rock wool cubes
    3x6 tray and 3x3 tray 35 gallon res...alternate the pumps,so the res will not empty out.
    Small res saves on nutes here
    Surfer Joe likes this.

    Mr.Goodtimes Well-Known Member

    I run mine 3x per day, I don't run at night.

    Shortly after the lights come on it floods, then drains. Then again 4hrs after the drain is finished, and again before/at lights off.
    Surfer Joe likes this.

    visajoe1 Well-Known Member

    Has anyone ever run a water farm?

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