Allow Liquid to Cool

Immediately after cooking, liquid in syringe is too hot to inject.
It would burn the inner lining of vein unless it is first cooled.
It is good to be patient and give liquid time to well-cool.
Placing tip up into a roll of toilet paper provides a good holding device while liquid cools.

Picture shows how clear the liquid is within the syringe. If it has little particles, they may
cause syringe to block during injection.

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