what do you think about this ???
Hi all, this is a response from my organic tea manufacturer after I had some minor issues with my early flower and noticed the PH in my feed was reaching as low as 5ph (down from 7-7.5 before adding their organic tea)
"This pH range is very normal, BioCANNA nutrients do contain lots of fruit acids, depending on water source sometimes it will get even lower.
In organics, pH is almost irrelevant, as the nutrients are not provided in ionic form (directly plant available). By definition organic growing relies on micro organism to breakdown/convert the fertilizer into plant available nutrients (mineralization). Whether the pH of the solution is 4.0 or that it is 8.0
As well, also by definition the growing medium sets the working pH, not the nutrients. The pH buffer of soils is always much stronger than that of the nutrients being applied. Assuming your soil is of good quality, its pH is set to be between 5.2 and 6.5 no matter what pH your water is, within minutes after watering, the liquid held will be that of the growing medium.
Many growers bend their minds around achieving some pH perfection, but it pretty much is a placebo effect for anyone growing outside of a pure hydroponic system in a very inert growing medium.
The main thing to look at is that BioCANNA nutrients are designed to work with our BioTerraPro growing medium which contains some level of fertilization but also a very good supply of liming material. Which does set the pH where it needs to be as well as supply calcium and magnesium.
Foxfarm has a very good reputation, but unfortunately I have no data on the content.
Pistil burn is more often caused by excess wind, dry air and radiant heat (sometimes by accidental severe under watering, like reaching wilting point). Very unlikely that this would be from too much/too little nutrients or bad pH."
Take from that what you will, but they seem a decent company. Awesome product.