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@The_Bearded_Grower, yes, but more than just the blanket answer regarding TDS which measures how much salt is in the water, it is more important to be within ideal ranges of every element. At higher concentrations of everything, the user is much more likely to encounter lockouts which always express themselves as deficiencies, so instead of correcting the feed to account for giving too much of "A", the user is ramping up the "B" to account for a non-existent deficiency.
Here is a tutorial I made about creating your own nutrient solution so to better understand the concentration of any one element. My personal aim as a grower is to produce absolutely perfect leaves and branches. I believe I am about 95% there. When I mix my own personal custom regimen, it settles to about 750 TDS, but more importantly, I guarantee the range of every element in my feed. I don't want to overdrive the plants, I just give them what they need for each growth stage and they do all of the magic.
https://www.420magazine.com/community/threads/making-your-own-nutrient-concentrates.455187/
@Humboldt_Seed_Organisation, if grown in potted rockwool (hydro), vegged for 8-12 weeks and grown under ideal lighting, would you care to estimate a yield? I'm trying to make an educated decision whether I want to run this strain with Pineapple Chunk perpetually. I had some awful experiences with OG Kush low yields, and though the smoke was primo, the yield was ass. Just looking for an honest review, I already own the beans, just trying to decide whether to run them or not. TYIA!!
@The_Bearded_Grower, Overall, most brands will do ok as long as you don't overdo it. Just keep the tanks near 700 on your meter and your girls should do just fine.
@skybound, good to know it was my first time using nutrients and the problem was I was mixing my nutrients and using tap water and when my PPM meter came in 3 weeks later that's when I did a runoff test I fixed the problem mind you I had to run 20 liters of RO water through the plant
@midEastern, I have a PC in about mid bloom and another in early bloom. My N is fine, but I think I'll need to jack P up as I have purple petioles for about the lower 3/4 of the plant, plus she's stacking super slowly to the point that I'm concerned, lol. I mix nutes from salts and use Hydro Buddy to calculate each element so have the ability to influence them individually (thankfully), but at least for the first harvest I expect a diminished result. I wish she had the vigor I see in Triple Cheese. That strain you can't hold it back, though the TC has spaghetti branches and every single one needs supplemental support. PC is very resinous already though, plus has nice thick branching, I just need to put more weight into the buds and faster if possible.