Viscosity testing using a syringe

[scalewiz]

I see a lot of comments about the thickness of the various liquids and how they wick in various devices.

One way I have found is to standardize my liquid's viscosity. I use a small gauge needle on a 1 ml syringe. When I found a juice that wicks well, I would insert the syringe with needle into the juice. I draw back on the syringe all the way, and then time how many seconds it takes to completely fill the syringe with liquid. When I mix a new liquid, I test it for viscosity, and I know then how to thin the liquid until my viscosity is the same. That way I don't have wicking problems.

BTW, I use mostly VG juices, trying to keep PG at a bare minimum.

 

[chuffin']

Here is something I posted yesterday. The poster was being told to "use less VG" to make his juice thinner...

Don't let "thickness of juice" be your deciding factor when working out how much VG/PG to use. Using pure VG as part of a smoking mix is a bad idea unless you want to make your juice really viscous. Treacle anyone?

I have my PG and VG in identical clear bottles. Turn both bottles upside-down at the same time and notice the difference in thickness. Then add drops of water from a melted ice-cube to the VG bottle, shake it up, then turn both bottles upside down at the same time again. You will see that the VG is thinner now. Keep adding water slowly until you find that you can no-longer tell the difference between PG and VG by turning the bottle upside down.

Congratulations, you have now made Aqueous Glycerine, the best companion to PG that there is. You no longer have to use less Glycerin to prevent wicking problems, and can instead tailor your blends for taste, throat hit and vapour production.

that will be two cents, please!

 

[fray]

It's the same principle if a zahn cup. Works by timing how long it takes for a designated amount if liquid to flow out of a hole at the bottom of the cup. It is used mainly for oil, ink, and paint industries.

http://en.m.wikipedia.org/wiki/Zahn_cup

 

[scalewiz]

You nailed it chuffin'. I thin my VG out as soon as I get it. That way when I mix, the end result is sure to be proper.