Ooooops...the person that set me up never mentioned anything about regular flushing. I use slabs and if I use a tank of fresh pH adjusted water the EC will shoot right back up as the nutes retained in the slabs will get washed out initially then fed right back in as the flush continues. Are you talking about using something like Clearex?Harry Gypsna said:
It depends on how much it fluctuates. I like to see a little drift and do try to stay between 5.6 and 5.8 but I don't have any 'problem' with pH flux as mine is very stable. I use GH 3 part with Diamond Nectar and Kool Bloom to finish and can go through half a 110 gal res and my EC and pH are VERY stable. I just had to figure out what nute strength worked best. I do the initial slab soak in low pH water. I don't understand what people are talking about with pH problems and rockwool but am guessing it maybe has more to do with water quality and the types of nutes used.
It's that simple.
I water 4x a day 30 minutes each feeding and they just flourish. As for the soil thing it's a totally different ball game. Sure you want a good wet/dry cycle type thing in soil but not rockwool. What do you mean by flushing? There's different interpretations of what that is. Do you mean when you're almost done flowering and you want the nutes out?paulobaca said:
Mountain said:
I have usually gone through an entire cycle once I put the cubes on the slabs without any flush at all and got close to 1 lb per 600...and the final smoke was awesome. Flushing like you've done is ill advised. I have very sweet water that comes out of the tap, no treatments, with a low EC of about 115 and pH of about 6.3 but a tad high with the calcium but still no problems. I use a GH program given by a commercial grower and only adjust EC at various stages of growth strain-to-strain.
It's always 4x per day 30 min per once in the slabs veg or bloom. I'm hella busy but will post the GH formula/schedule I use. You really can't go wrong with it.
