Whats happening to my leaves

[SmokyMcPots_420]

3 weeks in flower and I'm a little concerned about some of the bigger fan leaves

 

[Budzbuddha]

Calcium

 

[CannaCountry]

Pests....look closely at your pics.

 

[SmokyMcPots_420]

Calcium

Thanx Are u %100

 

[SmokyMcPots_420]

I know im battling white flies right now but I don't think what's causing the rusted look

Pests....look closely at your pics.

 

[Budzbuddha]

Yes . Zoom in there be little white critters