ph watering question tds

  1. brettweir

    pH, watering, and harvest questions

    Hey guys, I've got some questions for ya.. First, I've got what looks like a nutrient-deficient plant, and it's getting worse. I'm thinking it's a pH problem which is locking out the nutes, but the problem there is my new digital pH tester won't be in for a couple weeks. I've got about 20...