I went out and bought a cheep soil PH probe.. not sure how acurate it is but it showed one of my plants (the one with the most dots on the leaves) to be 4.0! ouch... the other ones that are having issues showed 5.8 and the ones that are good are showing 6 - 6.2

could this just be a PH issue?
batlin Reviewed by batlin on . Yellow and Brown crispy leaves! hey everyone, i am attaching a picture of some leaves... They are from my Northern Lights Female that has been flowering for a week and a half.. The leaves are pretty crispy.. and yellow with brown.. please help, I want to figure out what is wrong ASAP so that I may correct it... I am following the fox farms nutes schedule and the soil is just plain old home depot inside potting soil for seedings (no-nutes) she is in a 2 gallon pot (square) and I water with a pint of water every 2 - Rating: 5