Originally Posted by Dog Star
Am made some experiments and sees that water 7.35 PH didnt made plant ill
or any deficience... tough i love to put few mililiters of apple vinegar to low a
bit PH so then is 6.8...
last time i measure ph was before 5 years... think i need to sell a Hanna PH/EC
meter as i dont need to use it for organics..
I used to agree with that but here recently I started having crazy issues with a particular plant that had been as healthy as it gets and was my favorite plant. About 2 weeks after transplant into 7 gallon bag (from 6Ē pot) I started seeing symptoms of what looked like a shortage of Magnesium and phosphorous. Couldnít figure out why because there was plenty of both in the super soil mix and I was pHing the water to 6.4. Finally I checked the runoff and got around 5.3!! I was like, ďWTF??Ē So I used my soil pH probe and it showed just over 4! It was a bag of FOOF that was my base media and I still had some laying around. I checked it and got, essentially, the same results. Now, this is an extreme example and Iíve been bringing her around by watering with our well water thatís around 7.7 to compensate for the acidity in the soil.
Now, Iím using that probe when Iím building soil to insure that I donít get another ďoffĒ bag. That buffering capacity only goes so far. Probably most folks will never have this problem (and Iím switching away from FoxFarm) but there ARE times when they can be helpful, imo. Sure glad I had mine, anyway.