Why, When, & How to Flush Cannabis Plants



Learn how to flush Cannabis plants for harvest or to correct a nutrient-related issue the right way. Like we mention in the video, if you’re growing in a super soil …

45 Comments

  1. I feed til 7-10 days before harvest then I just drench it in purified water that’s no more than 10 ppm. I’ll get the 5 gallon jugs and fill em at one of those water stores for 3 bucks. Purified water that has no minerals in it will always latch on to minerals in the medium. That’s why it’s unsafe for humans to drink pure water you’re basically flushing the important minerals from your body. I usually go for about 3 times the amount of gallons of water than that of the pot size. So If I have a 5 gallon pot I flush about 15-20 gallons through it or until the runoff reads under 100 ppm. After that I let it rock til it dries out. And then cut the light for a day or 2. Cut hang n cure. White ash every time.

  2. I've been flushing with PH balanced water (no nutes) every 6th feeding. I grow in Nectar for the Gods #4 soil. In other words I give nutes 5 times then flush, then give nutes 5 times, then flush again all throughout my 63 day flower cycle. So basically I'm flushing every 12 days. You guys cool with that? Thanks!

  3. The way I see it, flushing is using up the nutrients stored, which means not wasting your feed up to that point. Ppl talk about smoothness but the buds is still green, so nutrients still in there lol

  4. I'm using coco-loco for my medium and a little Cal-mag +, please tell me about how to go about leeching at near the end of flowering since it's amended or will I need to.

  5. ive flushed on 3 grows and some plants work through the amount of water left over in the pot within 7 or 8 days but some have still had heavy enough pots 2 weeks on from the flushing is it a big no no to chop them down with a fair amount of water left in the pot or must i wait until the soil completely dries up

  6. I’m in coco using dry amendments. Using liquid calmag, silica, humic and molasses which do I stop using in flower and should I do a regular flush or light flush. It’s a hybrid nute diet. Wat week of flower should I do my last top dress maybe at week 4-5 of flower?

  7. I'VE BEEN USING MOLASSES ONCE A WEEK FOR 8 WEEKS IN 3.5 GAL. POTS,,, DO I FLUSH EVERY DAY, EVERY OTHER DAY ??? HOW MANY TIMES IN A 2 WEEK PERIOD ,, BEFORE 2 DAY DARKNESS ,,THEN HARVEST ?? ANY INFO IS HELPFUL,, THANX FELLAS' !!

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