Help Stress or lack of fertilizer (lower leaves turn yellow)

[Westpsy]

All plants are happy, some of them have yellowed lower leaves temp:20c 25c

 

[Westpsy]

But another happy in same firtilize and temp

 

[mysticepipedon]

The yellow lower leaves means you're a little low on nitrogen.

Different strains have different needs. The other plants just require less N.

 

[Poekie]

The yellow lower leaves means you're a little low on nitrogen.

Different strains have different needs. The other plants just require less N.

Agreed
Looks like low on nitrogen

 

[biggerbud420]

do you use cal mag

 

[Westpsy]

do you use cal mag

The yellow lower leaves means you're a little low on nitrogen.

Different strains have different needs. The other plants just require less N.

now I use only bio grow and bio bloom biobizz