double concentrate goes twice as far. it doesn't really make sense to compare prices imo.
You can still get the Apple flavour in Sainsbury’s and Morrisons. Morrisons got them on offer at the moment for £1.00
Anyone know what’s happened to the Apple flavour ? Never in stock these days
Unless you want double concentrated, normal 1 litre bottles are £1 each, so effectively 125ml double concentrated) more for 13p extra.
double concentrated with the yucky Aspartame taste