Just the two of them

not, flush is a tool to correct a catastrphics problem in the medium, if no problem, its not needed.

It depends a bit on the nutrients you’re using. Personally, I recommend starting to flush about two weeks before harvest when growing with mineral fertilizers – even if some studies claim otherwise. Mineral nutrients really tend to leave an aftertaste in the buds if not flushed properly. 🌱 With organic fertilizers it’s a bit different they usually don’t leave that same harsh taste, so flushing isn’t as critical, though many growers still prefer to do it. ✌️ Frohe Ernte! Zeig uns seine Ergebnisse würd emich sehr freuen.

Do you have a problem in your root zone? If not, there is no reason to flush. PLant biology doesn't work that way. Flushing doesn't do anything in regard to what is already in the plant. It does not have an excrection system for nutrients. You can be lazy if you want... I stop mixing nutrients toward end, not becaue i think it benefits the plants, but becaue the leaves and what remains in the medium can provide for the plant temporarily. I would not do this with a weak or damaged canopy. Don't 'flush', though.. just irrigate as you normally would. No need for excess water stripping a healthy medium of nutrients. if you have a toxicity, flushing can help dilute the medium... cause to a needed effect.. If there is no need, don't do it.