Which compost?

northchiel

At Xmas my wife fell for this plant with beautiful foliage. It is now ready for re-potting. Could someone please tell me whether I should use  multi- purpose compost, ericaceous or something else.

Any help much appreciated

Lyn

Can you give us a clue what it is!

http://www.houseofplants.co.uk/Calathea.htm

Is it this one?