Search results

2nd week of flower and runoff pH 6.7. Input is 5.7, using Jacks 321 @ 460ppm and Mad Farmer get down to lower pH. I had no pH swing greater than 0.5 until I added Power Si in late veg. Then pH rose to 7.2 with lockout of P. Flushed with water at pH 5.5 until runoff was the same. Plants growing...