Ive tried everything

[LongTimelisnr1stTimecallr]

Little tiny yellow dots..

 

[ROSTERMAN]

Take closer pics of spots on the leaves
Most likely mites
If you have a good mic/scope loop check undersides for crawlers and eggs

 

[zem]

look at the undersides of the leaves, real closely, if you see little dark things these are mites. Use a magnifier and light if you want to verify. It could also be some overfeeding due to salt buildup.

 

[pute]

zem is spot on....I think it is both