EC:1.1-1.2 / new BlueLab pen calibrated
Tap water : 0.0 EC, i'm adding cal mag till 0.3 -0.4 ec, than nutrients till 0.9 (1ml/ L) and pk (0.25/L) together EC:1.1-1.2
Nutrients: Buddhas Tree
pH:6.0 /new BlueLab pen calibrated
Temp: 25-27 C
Humidity: 45-55 %
Light: HPS 400, 18 inches above plant
COCO, watering daily with 20% run off
Ventilation: 360m3, 1 mixing fan 15 W at top, another at bottom
Plants are flowering and its getting worst every day, sugar leaves are yellowing,tips are brown/ block, edges yellowing,i am getting crazy, leaves drying getting spots, this is coming from TOP to bottom
Black not block :>
I just tested run off it's 1.4 ec
Looks like too much calcium mate. You need to bring that back a bit, I would drop it all together at this stage mate
"Keep away from people who try to belittle your ambitions. Small people always do that, but the really great make you feel that you, too, can become great.”
― Mark Twain
Thanks mate!
So something like this :
0.2 cal mag
0.6 base nutrients
0.2 pk
Together ec 1.0? Should I try something like that?
Lets see the pic first mate and then we will figure it out 
"Keep away from people who try to belittle your ambitions. Small people always do that, but the really great make you feel that you, too, can become great.”
― Mark Twain
@macky back with some photos. one important thing blue dream matic, plant with crispy leaves was looking at begin like amnesia. thats why i am afraid because its looking like same problem.. its progressing with flowering stages. ask me anything i noted everything
Amnesia :
Blue dream matic -first plant :
Blue dream matic -second plant :
Blue dream matic -third plant :
Difficult one man, looks like a pottasium def more than anything, but its not usually displayed at the top like that, more the middle leaves..... but pottasium def is most likely, unless you have a fan/ intake vent pointing directly at that plant thats caused wind burn?
"Keep away from people who try to belittle your ambitions. Small people always do that, but the really great make you feel that you, too, can become great.”
― Mark Twain
Our forum is free to join. We are an international cannabis forum that helps people all over the world grow their own personal supply of cannabis. Through our site you will find cannabis breeding forums, cannabis deficiency forums, indoor cannabis growing forums, and much more.
We are a home growers cannabis forum, and we only allow people who grow cannabis for personal use to be members. Our mission is to help you grow your own cannabis. We do not buy/sell/trade cannabis, or equipment for growing cannabis. Our site is strictly a cannabis smokers forum, cannabis growers forum and forum for medical cannabis users.
Use our guides on how to grow cannabis, cannabis grow diaries, and growers forum to find all the info you need to learn how to grow your own cannabis.
Any member who is suspected of growing cannabis for commercial gains will be banned immediately.
Please read our forum rules, and enjoy the site.
Find us on all social networks! Just search for Percys Grow Room