Indoor little help pls

[learn]

so on a few of my new growth tips there a little yellow. there on
2 plants mostly. there in 2 different soil and so r the res in 2 different soils 7 pots intotal. it mostly on my 2 best/biggest plant. i think they need espom salt. its not over feed 100%. temperture 81.3 at highest and 72 at dark time. what do u's think.

 

[learn]

sorry 4 quility of picture.

 

[faded187]

Gonna need pic in natural light.its all yellow

 

[learn]

ok thank you. ill looked at old pictures now cos lights are off.

 

[learn]

its the 1 on the left below the sock. there r slight nute burns below cos this is my tester plant for nute strenght but the other 1 has had only a very low nute solution was i know its not that.

as you can see they really healthy.

 

[learn]

just bought verve seaweed fertilizer from b and q. hope this helps. we'll see.