first time grower, having some issues with my tangelo rapido autoflower from barneys farm. was previously really healthy but is showing some severe yellow tips. this isnt happening from the bottom leaves upwards so it doesnt reallly feel like nitrogen deficiency. shes in enriched soil and i feed her with a kelp seaweed extract every now and then. can get very hot in the greenhouse so wondering if part of it could be heat stress, as some of the damaged leaves are also turned upwards. not sure if its nute burn as some of the leaves are completely fine. if anyone has any advice please share, pretty worried about my baby!!