Just a question here. When you planted the other auto's, did you use the same "bag" of
OF as you did with the Vertigo Automatic. I ask because when I did several plants at once, I had to use two different bags of
OF soil. One bag had perfect ph runoff and when I went to check the runoff from the newer bag, it's runoff was 5.56...I had done nothing different with the pots. It was simply the soil...
I learned to check the ph of the soil
before I plant my stuff in it...I have also been around for awhile and ph is always the cause of problems...That's where it starts my friend...If your ph is to high, 6.7 or higher, add 2 tbs of Acidifier to the soil. That will bring it down. If it's to low, 6.0 or less, then add 2 tbs of lime to the soil...That will bring it up...
Good luck,
Rip
One more note..Don't use anything in the soil that has Aluminum in it...I've read where members have use it to lower their ph, but if used in excess, it will kill the plants...
Here's a link to the Acidifier...
http://www.espoma.com/p_consumer/pdf/products/Esp_Soil_acidif.pdf