HYDRO Is it a potassium Deficiency ?

[Omaralam]

I have 3 plants and I flushed them for 7-10 days then I started flowering stage then it started to have these symptoms on leafs some have fallen down and I’m using flora nutrients
now its day 6 of flowering stage
its runing on hydroponic system but it was so hard on finding the right tools because im in middle eastern country.
Thank you 🙏🏽

[oldjarhead100]

I started to think it was N deficiency from 2nd pic but the rest seem like a nute burn if you are in hydro why did you flush for 7 to 10 days also is your water chlorinated ,I dont do hydro so I'm not sure

[starramus]

Omar this is a handy tool. https://www.growweedeasy.com/cannabis-symptoms-pictures And it is right here for your use. Looks like you might be right.
“Oh threats of Hell and Hopes of Paradise!
One thing at least is certain - This Life flies;
One thing is certain and the rest is Lies -
The Flower that once has blown forever dies.”

― Omar Khayyam, Rubáiyát of Omar Khayyám