Testing out Organics in DWC..Can't get PH to stabilize!

ganjaman87

Well-Known Member
I'm giving this Advanced Nutrients Organic Bloom tea a try and I'm having trouble stabilizing the PH. Im using 5 Gallon buckets, with hydroton rocks. I mixed a nutrient solution last night and PH'd it to 6.0 using lemon juice and the only other nutrient I added was Nirvana. I checked the PH this morning and it has risen to 7.0 while the PPM's remained the same. I have been searching and searching google as well as this site for answers for quite a while now as This isn't the first time I've tried using this organic tea and had the PH not stabilize.

The previous times I added store bought PH down, and after I did some reading I found out that this was not a good idea so I decided to give it another run using a lemon to adjust PH, and I'm still having the same problems of rising PH. I did find a few threads on here where people were having the same problem, but Noone really gave a definite solution. I even called Advanced Nutrients grow support yesterday and I was told that I needed Fulvic Acid to stabilize ph??? Is this correct? I can't help but to think that it was just a ploy to spend more money on their products because the guy didn't even ask me any questions he just came out and said I need Grandma Eggys H2 and F2 or whatever and he even mentioned their Mother Earth Juice product.

Now I know there's a way to stabilize PH because on the bottle it says that the tea can be ran ALONE so can someone please help me with this PH problem? And with that being said...Does PH even matter in organic hydro? The last time I ran the Tea I didn't see any deficiencies and the plants seemed happy with the PH being high, but I was just really worried about a stable PH so I just quit running it and went back to synthetic nutes where my PH barely fluctuates unless the feeding isn't dialed in properly
 

Scharfschutzen

Well-Known Member
I've used white vinegar to adjust pH in the past and have had good results (in soil).

If anyone can chime in regarding the science behind using vinegar in an organic (especially DWC) environment.
 

bertaluchi

Well-Known Member
I am doing a DWC grow right now...about 4 weeks from harvest now. I used the mother earth super tea for veg and my ph was fairly stable. After flowering started I switched to Fox Farms Tiger Bloom and ever since my ph has been hard to keep stable. I adjust my ph to 6.0 every day and the next morning it is always down to just below 5. I use hydro store ph up and down and still have problems with stability. I also use a fulvic acid supplement so I don't think that will help your issue. I would think that even if your doing all organic you will still need a proper ph level so your plants can take up the available nutes. If you look at a ph chart for the cannabis plant you will see that at a certain point of your ph being too high or too low your plant can not absorb certain compounds. I have fucked up many a crop when I started due to bad ph regulation. Good Luck Dude
 

mckenzie41

Well-Known Member
I have a similar issue I'm running a ebb and flow system and my tank contains no nutrients just water which I pH down with cannas organic pH down to 6.5 and by the next day it is 8.1 this started happening when I got infested with fungus gnats, the reason they was infested was from the clay pebbles not drying out fully, this may also have had an effect on the pH balance.

Hope that helps,
Ben
 

mckenzie41

Well-Known Member
Are your roots slightly cream / translusant that would be a sign of root rot which pushes the pH down as they rot mine is rising didn't read the post properly.
 

ganjaman87

Well-Known Member
Are your roots slightly cream / translusant that would be a sign of root rot which pushes the pH down as they rot mine is rising didn't read the post properly.
They're stained from the Nirvana and the Root excelurator that I have been using, but I dont believe I have root rot. However I just let one of the plants be without adjusting the PH anymore, and she seems to be growing better than the other clone of same age that I am feeding synthetic nutes so who knows man haha. Maybe PH in organic dwc really doesn't matter because she's been feeding for about 2 days now with the PH not adjusted and I'm seeing no PH problems or deficiencies as of yet
 

mckenzie41

Well-Known Member
I try to keep mine between 6 - 7 I'm having better results from a organic soil grow than my organic hydro what are your net pots filled with have you thought of running plain water in your dwc but top feed the organic nutes into what ever medium you prefer clay pebbles wouldn't be great nor would rock wool I think a coco worm, castings , organic soil in a large net pot would be Easier to maintain and possibly use less nutes you could also feed them aerated teas, have you had any trouble with your line of nutes seperating from the water and going manky after 2 days.
Ben
 

Scroga

Well-Known Member
with the roots excel, they recomend mixing nutes,let settle, acidify (ph), let settle, then add your R E last...so as not to kill the bennificials..
 
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