PPM help!!!

Hello RIU...

Does anyone have a ppm guide?!?! i have 4 hydro plants in flower 3 weeks old and i have the ppms at 1500 ATM, and i am starting to see signs of burn, i was having ph fluctuation problems but that has been corrected. So i am trying to determine if its cause of my unstable ph or my ppms being too high... What is the highset they can go.... anyone have a guide or that can give me an idea, this is my firsthydro girls in a while and they are doing sooooooo good i dont want to fudge them up!!!

Anyone?!?!?! Please...

What nutes do use use to be at 1500

use reverse osmosis water and it will bring your ppm to 900- 1000 at your full bloom nute cycle.

ec 2.0 = 1000 ppm which is highest i go. use more purified water in your resivor than tap water, even if you have the tap water sitting before its being used. Tap sitting will still start you at a too high of a ppm level. Your bloom cycle nutes are pushing you way up too. Flush with ph water and maybe a salt cleaner or hydrogaurd to name one product. The next watering use purified water add half the strength nutrients you had been giving it before. Check ppm, If you can use a higher ppm then add more nutes. This will put you back on track and your girls will be much happier....making you much happier!!!

Every different plant has it's own desired ppm and a point it burns at. I currently have a sat dominant blue cheese that I fed 1800 ppms that barely burned at all while an Indica growing next to it can barely handle 1500. These are numbers for weeks three and four and before and after I begin to dial it down.

On a side note, Hydroguard is not a salt flushing product, it's a "bio-fungicide water treatment that helps suppress and resist damping off diseases." The product you're thinking of is Clearex which I use personally and believe to be amazing. I usually use it every two weeks in flower to avoid PH fluctuations and ppm spikes. This can also cause lockout and be the result of the yellowing you see in your plants.

In summation, flush first then observe. If this doesn't help lower your ppm.

catpiss said:

ec 2.0 = 1000 ppm which is highest i go. use more purified water in your resivor than tap water, even if you have the tap water sitting before its being used. Tap sitting will still start you at a too high of a ppm level. Your bloom cycle nutes are pushing you way up too. Flush with ph water and maybe a salt cleaner or hydrogaurd to name one product. The next watering use purified water add half the strength nutrients you had been giving it before. Check ppm, If you can use a higher ppm then add more nutes. This will put you back on track and your girls will be much happier....making you much happier!!!

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what is the ppm's of your water before adding anything?

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catpiss said:

What nutes do use use to be at 1500

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I was using FF and just brought my nutes up too high its corrected now, they went 2 days with 1500 ppm and not much burn at all, i am soooo suprised how well they took it!! I am back down to 800-900 but i am sure i will get them 1300-1500 before the end of the harvest...

Thanks sooo much for everyones help though..