Getting close to harvest, leached for 4 days, soil EC 0.3. Decided to feed so fed at EC 0.8 for 3 days. Leached for 2 days. How long do I need to leach/flush for now, going by tri's, I'm in the window?
Everyone is jumping on the no flush boat so if you are at a 0.8 EC you should be able to harvest when you want. People are realizing flushing only removes salts from the soil rather than metals or nutes from the plant. The plant only takes what it wants and doesn't give anything back, you can read more at InTheShed No flush club
Flushing at harvest is dead. Its a hydro thing anyway, flush if you must but read this first. Go open all of your bottles of nutes and take a huge whiff from each. This is what your plant soaked it’s roots in from seedling to harvest. Yes any smelly fish ferts, bottled nutes or bat guano regardless of the source.... these nutrients were taken up by the roots into the cell walls of your plant. Now how is soaking the roots for a few days gonna undo all of that? ..... It can’t..... it’s impossible. You can’t wash the stink off of a skunk... Now bud washing - that’s a different thing, main case for bud washing - go look at your fan blades or filters, see the layers of dust? Yup end of story.
Flushing can remove built up chemical salts from soil, coco or perlite but it will never change the taste of your bud. Read the link above from Stoner... it’s a great article!