Quote Originally Posted by bayareapurps
bro u got potassium defience. u need more potas... what flower nutrients r u using...?
0-3-2.5 or sumtin round there... or n e other addatives ? try floral clean... from general hydroponics use that dilluted in your water no nutrients for a day and a half... then go back to nut's 25% strenth for a week then back to full force...
Could be according to your second and third pic

"Deficiency signs of potassium are: plants are the tallest and appear healthy. Older leaves mottle and yellow between veins, followed by whole leaves that turn dark yellow and die. Flower and fruit drop are common problems associated with potassium deficiency. Potassium is usually locked out by high salinity" - onlinepot.org