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I see what you're saying. I'm going to have to try that on my next grow. Thanks for the tip..

Why is that? I've always been told ~5.8 is best for hydro..

Thanks for the reply. That's reassuring. I was freaking out thinking something was wrong. I'm so close. Again, appreciate the response.

I have a similar setup as you and had similar issues with PH. I would change the water, add nutes, ph it to 5.8, then when I checked it the next day it would rise to 7.0+. I'm no expert but I'm fairly certain that the airstones were causing the PH to rise. Only thing I could do to steady the PH...

Hey all. Thanks in advance for any help or advice. This is my 2nd grow. 1st time with DWC. Haze strain. Sativa dominant. I flipped the lights to 12/12 about 8 weeks ago. About a week ago the leaf tips began showing signs of burning. Also the veins (if that's what you call em) on some of the...

Hey all. This is my 2nd grow. 1st time with DWC. Haze strain. Sativa dominant. They've been growing for about 65 days. I just flipped the lights to 12/12. The leaf tips on my plants are curling downward. They've been doing that for pretty much the entire grow to some extent although not as...

I finally got some time to try some of the suggestions that you guys gave to no avail. I tried myke's suggestion to add PH up, to be used as a buffer, before adding PH down and the PH still increased to 7+. Even if I get the PH to 5 it still increases to 7+ a few hours later. I'm positive it has...

Yes. Is that incorrect?

There was no plant in the spare bucket. Everything was stable until I put in the airstone. I was expecting some fluctuations in PH but not so much and so fast. About an hour after adding the airstone the PH jumps up 7+.

Thanks for the reply!! I'm using General Hydroponics PH down liquid. Is there a way to get better air quality going in or something that can be done to stabilize the PH? As it is now I may have to figure out another setup because I think the PH swings are way too much.

Hi all, I have a DWC setup with 5 gallon buckets. I'm using tap water and I can't keep the PH stable. Everything I read claims that the airstone won't cause the PH to increase, but I swear that's what the problem is. Tap water starts out at ~7.2 I'll add nutrients, hydroguard, and calmeg before...

Hey all, any help or advice is appreciated. I'm growing in rockwool cubes and hydroton, feeding flora nutrients, with a 2000 watt LED light, 3 plants stain is Chrystal. 9 weeks since I switched to 12/12. Trichomes differ from each plant. I'd say it's about 70milky/30glass on one and maybe 50/50...