OK...Thanx to all the smart/helpful vapers in this thread...I now have sites to buy nicotine, PG/VG Base and Flavors from...
Next...simpleminded question...where can I buy 125ml. bottles...that have ml. markings on them...with tops to fill my tanks...(or with droppers)???
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I make my juice in 125ml bottles. I got them from Packaging Options Direct. Then I transfer it to 15ml or 30ml bottles with dropper tops for filling tanks. They also come from POD. I don't think they sell glass bottles with markings.
For mixing I don't use syringes any more, except for flavorings where I only need a very small amount. I use measuring cylinders. Not quite as accurate but they are easier to clean, and easy to pour into and out of. A 100ml cylinder for VG and PG, 25ml cylinder for nic, and a 10ml cylinder for flavorings. Think I got the cylinders from Wizard labs.
Also I mix base in advance. I make base with the nic, VG and PG. Generally 4 200ml bottles of it at a time. I use the 250ml plastic bottles that I used to buy nic in. I make the base at 7mg nic. Figure when I add flavoring that will take it down to around 6mg.
So when it's time to make juice I just pour some base into the 125ml bottle using the big cylinder to measure it, and add the flavorings using the 10ml cylinder.
It's the simplest method I could come up with though not the most accurate. Early on I used syringes for everything, that was more work though.
I made up some simple spreadsheets for calculating amounts. They don't do as much as the online calculators but they are easier to use. For me anyway.