Any one know what's going on?

[Newtogrowing]

Was wondering if anyone could help me out here.

I have 4 plants GSC six shooter west coast og and blackberry.

All have been giving the same amount of care following tangs easy auto schedule, growing in plagron light mix in 15l airpots under 600w temps have been fine untill the 2 days of summer kicked in.

At first I thought cal mag would fix the problem but doesn't seem to be taking any effect as of yet started feeding cal mag on Saturday, I am currently on day 37 and having problems with 3 my GSC seems to be fine.

Anyone out there able to tell me what I could do to fix this?

I really hope its salvageable.

 

[namvet25]

It's normal for a few bottom leaves to turn yellow so I would remove them and hopefully it won't happen any more.You should continue to give cal-mag at every watering and start your flower nutes soon.If you continue to see more leaves turning lighter green you can always give a dose of veg nutes to green them up.Let us no if they continue with problems and we'll go from there.

 

[Newtogrowing]

Thanks I was getting into a panic there ready to start a flush.

It was the leaves the way they were dropping and bending at the stems doesn't look right to me but I don't know much haha

 

[DarkGreen]

I've had yellowing on my current grow, same feed schedule same soil.

Just upped calmag to 2ml per litre and it sorted it, big feeders surprise you sometimes, so it's normal as namvet says.




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[Newtogrowing]

Good to know I'll give that a try next time if it doesn't improve. Just gave them a litre each with sensi bloom a+b at 2ml per litre and 1ml of cal mag so hope to see some improvement.

 

[Roger Dee]

yes I started having leaf yellowing around day 42 and now at day 51 it has spread, I have used cal mag throughout the grow

lousy pic to show yellowing I know