scrog week 5 flowering

cannabisgirl123

cannabisgirl123

Active Member
Hey guys im into week 5 flowering growing pepermint kush with scrog and its my first grow .. the flowers look good untill now (i think)dont know what to exept from yeild.. any way in the last few days some new leavs turn yellow a bit hope someone here could help me solve this




 
cannabisgirl123

cannabisgirl123

Active Member
I watering twice every week with hesi nutrions .. and i add minimum of bloomblastic by atami
The ph is always 6.3-6.5
600w hps the topest cola is like 16cm from the light but i did the hand test and not feelin something too hot .. 0
 
Krippled

Krippled

Well-Known Member
cannabisgirl123 said:
I watering twice every week with hesi nutrions .. and i add minimum of bloomblastic by atami
The ph is always 6.3-6.5
600w hps the topest cola is like 16cm from the light but i did the hand test and not feelin something too hot .. 0
Click to expand...
16cm??? That's a little over 6 inches.. I have a 600how air cooled hood and I am over 15" away. I would back them off regardless..imho
 

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tropicalcannabispatient

tropicalcannabispatient

Well-Known Member
Yea thats why i say iron and zink because they get locked out with pk excess and the yellowing in those deficiencies start on tops new grow, also pk cause mag and cal lockout
 
Purpsmagurps

Purpsmagurps

Well-Known Member
wait a couple waterings before you give it any more pk. then feed every other watering.
this is if your ph is on point, if its PH causing that just get it to the right range and it will stop.
 
tropicalcannabispatient

tropicalcannabispatient

Well-Known Member
cannabisgirl123 said:
Any solution?
Click to expand...
You say ur ph is in the 6.3-6.5 right? then like i say since the beginning when i did ma guess its a salt build up locking out micros for feeding twice a week, or a pk excess locking out same micros zink and iron this def start on tops getting yellow, also locks out calcium and magnesium, but it looks more like zink and iron def
 
intenseneal

intenseneal

Well-Known Member
Yeah fist get that ph down a little. I shoot for 6.0 in soil, to me it appears to be a sweet spot for all the micro and macr nutes to be absorbed by the roots. Chech the ph if your run off water as well and see what that is. If the oh if your run off is higher the you have a salt build up and a lock out issue. I would not rule out a nitrogen deficiency, im not familiar with the nutes you are use so i do t know how much N you are feeding.
 
tropicalcannabispatient

tropicalcannabispatient

Well-Known Member
intenseneal said:
Yeah fist get that ph down a little. I shoot for 6.0 in soil, to me it appears to be a sweet spot for all the micro and macr nutes to be absorbed by the roots. Chech the ph if your run off water as well and see what that is. If the oh if your run off is higher the you have a salt build up and a lock out issue. I would not rule out a nitrogen deficiency, im not familiar with the nutes you are use so i do t know how much N you are feeding.
Click to expand...
I will say n is out of the picture since n starts from bottom, and she has yellowing on tops
 
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