Larry,

I suggest that the sugar that you have is as it says - just extra fine
sugar. I do not think that it will be "Icing sugar" (Sucre glace) grade
- that would be an even finer powder.
On the odd occasion that I used icing sugar whilst in France, it has
either contained starch or silica.
Both were I presume to aid the powder's ability to flow.
When I searched for a supply without either of the two ingredients -
always without success.
I to was wary of using a sugar containing starch! - but never apparently
had any problems. There again, I only used relatively small quantities.
I would not feed starch containing sugar to bees that are going to be
unable to fly and "ditch" the material. Such a case would be in a pre
winter feed.

You mention "Amidon" and translate that as Potato starch. Amidon, as far
as I am aware translates just as starch. Therefore, it could be starch
from maize, or any other starch source.

Please be aware that the above is my experience - and you must make up
you own mind on what to do.
Regards,
Peter

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