I have a Mathmos Thaw, would food dye, dye the silicone mold?
For those of you who don't know the Mathmos Thaw is a candle holder with a silicone mold you fill with water and put in the freezer until solid then place on the holder over a tealight and it melts the ice while making pretty light.
I was considering experimenting and perhaps making coloured ice, however I don't want to try unless I know that food dye wouldn't dye the silicone.
So if anyone knows either way, that'd be great 
Thank you
could you cover the silicone in clingfilm?not too near the candle or it could burn
How to make a simple Silicone Mold Part 2
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