yellow foilage

I am currently on day 35 of flower and for the past week I've been noticing a yellowing on the leaves, but after opening my tent today I had noticed that a lot more leaves have turned yellow and some even died. I added alittle bit more nitrogen last feeding but it didn't seem to help. Maybe I...

Hi Growing 4 Critical Mass clones in 18L pots in Coca/Pebbles 60/40. Water to waste every two days of 1.5L Canna A+B, Boost, PK - this is the 3rd day of the PK week, 4 days to go. Foliar feed everyday with a 25% of nutrient solution and Wet Betty. 23rd day of flower. 400w HPS (9" above...

Hello everyone, Am new here and recently began flowering my girl. she is growing in a closet in soil and this is my first ever grow. She just don't look healthy. There is yellowing of the foilage. am using the foxfarms soil trio (BB=full strengh, GB half strength & TB=3/4 strength). can someone...