Leaves Curling and a Bit Leathery

[nevergetsold]

My plants seem to like the ph set to 6.2 to 6.3.

ditdotter: Is the 6.2 to 6.3 the pH of your water/nutes as they are applied, or is that the pH of the runoff? I just fed mine for the first time and added the vinegar and nutes to the water and measured pH of 5.77 before adding to the plant (tap pH alone is 7.52). The runoff measured 7.23. I checked it twice. Looks like my soil is way too basic.