Yellowing 5 Weeks Plus

[Jay2341]

hi guys I’ve came up today to check and Ive notice 2 plants there leaves going a different colour any one know what the cause is ? The rest is okay I have 23 plants

 

[Erick31876]

Can you give us a little more info. Such as growing medium, mites used, ppm, ph, lighting schedule, any bugs etc?

 

[Jay2341]

Can you give us a little more info. Such as growing medium, mites used, ppm, ph, lighting schedule, any bugs etc?

Am growing in coco(soil) in 20 litre pots I feed them every 3 days am using a and b 20ml each, cal mag 10ml pk13/14 10ml canna boost 20ml and just started using pk9/18 0.3 ml in 10 litre buckets am using 750 watt lights, ph level 5.9-6.3, no
Bugs

 

[Jay2341]

Am growing in coco(soil) in 20 litre pots I feed them every 3 days am using a and b 20ml each, cal mag 10ml pk13/14 10ml canna boost 20ml and just started using pk9/18 0.3 ml in 10 litre buckets am using 750 watt lights, ph level 5.9-6.3, no
Bugs

App the rest of the plants are fine

 

[Jay2341]

App the rest of the plants are fine

 

[Erick31876]

Are they the same strain. If you have mixed strains maybe they are a little more hungry. I would start by doing a slurry test to see what your soil/ coco ph is. I don't grow in coco but I would check my soil ph first and go from there

 

[Jay2341]

10 Jaffa cake 20 litre pots and 13 super lemon in 75 litre pots, I’ll check it now