is this potasium deficiency or lockout?

[Hopsarecannabistoo 614]

hi guys i wanted to ask for your advice and knowledge on this as im not sure, as the title says is this Potassium or lock out? 

Thanks in advance 

[Hopsarecannabistoo 614]

anyone?

[Whatwentwrong 3,883]

You wouldn’t be able to tell from just a photo of one top.

 

it looks more like nute burn than a deficiency.

 

what are you feeding them and how often.

[Hopsarecannabistoo 614]

im feeding them advanced nutriednt s  senseai grow and bloom. and  rezin, and purpinator. none of the others have this problem just this one. its been one that seems sensitive, i water them every 2 weeks. i have perlite and vermiculite.  mixed in so they stay wetter for longer.