No Scotkat better not to use anything if you have no orchid food. I 'try' to remember to feed ours once every few months - 'try' is the operative word and they are all fine.

Thankyou Mg I thought I had enough but forgot I used it all the last time .

Oh well I am meeting Karen on Thur as Glendoick so will get then.

Its just thats a dreich day here so was tending to my orchids so a water will do.