nothin to do with ph but it couldbe a little higher (6.8) but it looks nute burn flush, and foliar feed at 1/4 strength util it gets healthy then go back to soil feed ing, but if u cant find whats wrong flush as a last resort. becuz it strips the plants of nutrients and after feed at 1/4 strenghth ti ll conditions get better .
california Reviewed by california on . Rusty brown spots and yellowing leaves Hi, I have been all kinds of plants for years but have come accross a problem and i cant find out the cure. I am using Bio Bizz Allmix compost, Biobizz grow and bloom feeds , and i am using rainwater, the ph is about 6 but i get this problem. Can anyone help? im really stuck? there are no pests, no mites, i have predatored the lot, i think its a nutrient or ph problem, it occurs on small and large plants. Too acidic, ? too Alkaline? help Rating: 5