I have a plant deficiency please help!

[joan]

hey guys i have a plant deficiency that i need help with and i would be very greatful for any suggestions as to what it could be and how to fix it as i cant work out what the problem is, it is mostly the older fan leaves that are effected and it has effected the top middle and some lower leave of the plant !!!! i have some pictures of the deficiency on my leaves so you can get a better idea of what im talking about!!!!! thanks guys for your help )

 

[Smokemupm8]

Potassium?? Or maybe Calcium/mag ?? Have a quick look at PLant problem solver and pictoral, there s a pic Im fairly sure is of Potass. Def? It has a few other photo s with symptoms that may be of real help to you.. GOOD LUCK!! Smokemup