I use the manual test with drops... switch over to a PH pen! The drops system simply doesn't work well at all IMO.
razzapiggy Reviewed by razzapiggy on . I think I Figured My Problem Out...Step Inside Hey Guys, I posted about two weeks ago saying I had some yellowing\browning of my leaves, and they were dieing off. I didn't know exactly what it was because I hadn't seen it before. You can view the thread here: http://boards.cannabis.com/indoor-growing/135391-magnesium-difficency.html Last night I decided to give them a real nice flush. Because I don't have an irrigation system set up (next round) and my room is pretty much filled to the max with plants, this required bringing Rating: 5