Canna a+b, ec 1.0. No rootbind, 16 liter pots. It's definitely the lack of light that hurt them initially, might have been out for up to 7 days. 5.8-7.4 ph. The ph is unstable and don't know why, but it's never had this effect before, mind you, I've never left it so long. I'm now in week 6 of...