flushing during flowering

Im about 3 wks into flowering and thinking i should flush my plant. I never did after switching over to 12/12. Any thoughts on this and if so how long?

cheechZS said:

Im about 3 wks into flowering and thinking i should flush my plant. I never did after switching over to 12/12. Any thoughts on this and if so how long?

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hi there, i flushed for 1 an half day then gave nutes at 150ppm the next day it drop to 80ppm then i upped it to 200ppm then 250ppm then it dropped just under 200ppm so i put it up to 350ppm which is alittle hot as i have tip burns so i am gona now keep it between 250-300ppm now higher for me hope this helps....

If you're in DWC just replace the solution with clean PH'd water and let it bubble for 30mins-1hr. Then replace your nutrient solution. It's that simple.