Hello and welcome to the forum
@Nightowl007. Glad to have you here!
May I suggest some recommended research to get you started. Kudos given to member dannyv45 who contributed and assembled all this information.
Dannyv45's blogs will give insight into all aspects of DYI, from steeping to what supplies to have on hand to a basic walk through mixing your first E-juice.
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E-Cigarette Forum - dannyv45 - Blogs
Hoosier's blogs concentrate on fine tuning your mix and give insight on additives.
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E-Cigarette Forum - Hoosier - Blogs
Boletus's blog's concentrate on formulation of nicotine bases regarding proper calculations methods for figuring Nicotine concentration as well as safety.
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E-Cigarette Forum - Boletus - Blogs
Ginger's book "E-Cigarettes 102: DIY E-Liquid" delivers an in depth easy to follow guide in the art of DYI.
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E-Cigarettes 102: DIY E-Liquid
I recommend viewing VPLive Vape Team Episode #82: DIY Safety and bookmark it for future reference. It explains safety in all aspects of DYI.
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VPLive Vape Team Episode #82: DIY Safety
The "stickies" pinned at the top of the
DIY E-Liquid Forum page will explain a lot of the how's and why's.