Nutrient burn or is it a deficiency....

[RR1313]

Autoflower wk7.....using fox farm soil...ocean forest and happy frog 50/50....using fox farm nutrients at 1/4 dose every other watering....watering every 2 days now...yellowing and burn tips started about 6 days ago....light was raised also.....thought it was causing at first...any thoughts would be appreciated....thanks

 

[RR1313]

Here are pics

 

[GNick55]

Here are pics

watering too frequently

 

[GNick55]

what fox farm nutes you got there?
what ones are you using and how many millimetres per gallon of each are you using?