chamaerops yellow leaf tips

[palm789]

Had this palm for a month,repotted it into john innes no3 added even more grit and perlite,watered it then next day it started to rain now i notice the tips if the fronds are a yellowy colour,what is causing this,should i buy some palm focus fert etc i havent fed it any fert only used palmbooster

[Phoenikakias]

Probably only nutrient deficiency of potassium. It gets easily rinsed of by heavy rain. Just add some fertilizer, rich in potassium and magnesium, and wait for summer.

[palm789]

here is another pic,i covered it as i thought the the rain caused it.but as you can see the tips are yellow.