Can someone help me identify whats wrong with my ladies?

Hi I'm new to this site as this is my first grow. I was just wondering if someone could tell me what's wrong with my girls. I have looked all over the Internet and books and can't figure it out here are some pics I appreciate any help!! I am growing in a green house if that helps and I just got some spider mites which I'm currently treating for. I use GH flora series simple drain to waste and follow it exactly as it says. I use my well water and check the ph before and after adding my nutes. Appreciate any help!!

In my experience, curling leaves like that mean a pH problem. What is your pH at?

You know that's the only thing that I thought maybe it could be too. My ph is at 6 - 6.2 But I use one of those lil test tube add the 3 drips of tester solution methods with the color chart. So I'm going to go and get a digital ph tester tom. I really appreciate the input and if anyone else has any other ideas would appreciate them too! Thanks!

Medmmj420 said:

You know that's the only thing that I thought maybe it could be too. My ph is at 6 - 6.2 But I use one of those lil test tube add the 3 drips of tester solution methods with the color chart. So I'm going to go and get a digital ph tester tom. I really appreciate the input and if anyone else has any other ideas would appreciate them too! Thanks!

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I used those liquid pH things until I started added things like humic acid and thrive alive. Those both make the color almost completely black. Could the nutes be changing your color? You can get some cheap pH meters on ebay if you can wait a week or 2. I got mine from the hydro store and it was 90 bucks, but still worth every penny.

It could be Magnesium deficiency too? Not sure about this, check out this thread and see if it makes sense based on your given nutrients.
https://www.rollitup.org/marijuana-plant-problems/537558-cannabis-nutrient-deficiency-info-printable.html

All the best, cheers!

From all of the pics and reading it kinda sounded like the mag. def. but the pics didn't look the same. It's just frustrating cause it's my first grow and they're 7' tall and full of tops and were perfect through veg and now the first week of flowering they got bugs and this crap. Lol. Go figure. I just want to nip it in the butt before I'm too far into flowering. I really appreciate all the input and I just ordered a digital ph meter off amazon. I live in Washington where they are based out of so it should get here in a couple days. Part of me hopes my ph is off (even though I know lockout is a serious problem) just so I know what the heck is going on!
Thanks again!!

BeefSupreme said:

It could be Magnesium deficiency too?
All the best, cheers!

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That was my 1st thought.

Just wanted to follow up with you in case you cared. I have come to the conclusion that it is a calcium/salt build up. I follow this guy on youtube who seems very knowledgeable and asked him if I could email some pics and help me, and he agreed and said he thinks its calcium/salt build up. In addition to that after what seemed like endless searching I finally found a pic online that looked exactly like mine and some master grower said the same thing. It's not that I don't believe anyone I just wanted to be absolutely sure before treatment. I hope this helps others!
Happy Growing!