@Fuzzbird, The soil doesn't really get disturbed while watering or flushing. (The same pot) There's holes at the bottom of the pot, that allow for extra liquid to flow out. At this point in the plants life, the pot is also going to be filled with roots, which increase the structural integrity of the soil/root-ball. When I do a normal watering, I gently siphon the liquid into the top of the pot. When I flush my plants, at the end of their cycle, I do the same, except i'll have moved the plant into the bathtub for draining - since vacuuming out the run-off water would be too much work. After the first 30 gallons of water has gone through the roots, the colour of the run-off-flow shifts from the brown colour of the nutes, to clear water - indicating that the roots have been flushed clean. Clearing out the nutes from the soil allows for the plant to starve, which causes a fade to yellow from the reduction of chlorophyll in the plant - assisting in finishing off the plant, and, also making the bud smoother. Feel free to ask me any questions, or repeated questions to clarify! Happy growing :)
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