Using Syringes to measure (not as easy as I thought)

[Steve K]

If I am measuring something that needs a ml or 2 or more I am not going to worry about the extra drop in a needle. If your going to worry about a drop or 2 then use a pipette and don't lose count This is DIY (as best you can) not rocket science with equipment that will measure down to the molecule.

Then there is what doesn't come out of the syringe but is left at the bottom of the plunger. Probably this and what is left in the needle cancel out, IDK and don't lose any sleep over it.

If I use a 1ml syringe with a (20g) Blunt Tip. I get .1ml within the needle and top plastic section of it.Which is 2% of a 5ml,Which I guess is about 2 drops.But I might take hoosier method of not using the needle.

 

[crxess]

Wow.
For my flavoring and Nic I use only 1ml syringes and small (21g) blunt tips. Might hold 1/4 drop at best.
For Base PG/Vg I use 3ml and 5 ml syringes with 14g.

 

[Tracker II]

My plungers won't come out,Looks like there is a raised section inside that won't allow it.

Pull harder as they have to be able to come out. They were pushed in before being shipped to you.

 

[Steve K]

Pull harder as they have to be able to come out. They were pushed in before being shipped to you.

Will try it.

 

[shakeytails]

I thought syringes would be easy, too. I have 2 types of 1 ml syringes. The Kendall 1ml safety syringe (28G) is seriously useless for anything but it's intended purpose- TB tests! All attempts at removing the needle were unsuccessful. The other is a 1ml B-D with 25G needle. It will actually suck (slowly) but the stupid safety shield made it very difficult to get into flavor bottles. I was able to remove the safety shield and the needle along with it by simply pulling hard toward the needle end, leaving what looks like a luer-slip tip. But the tip is too small for a typical needle. But without the safety shield, it fits quite nicely in WL's flavor bottles to easily suck up flavoring. When buying syringes, be sure to look for the slip tip as opposed to luer-lock, so you can easily either use a needle or go naked.

 

[Sovran]

I have to ask. What size batches is everyone making using 1ml syringes? I use 12's and sometimes 20's to make 30-60 ml batches. I cant imagine trying to use a 1ml for anything over a 5ml batch.

 

[DancingHeretik]

I use graduated cylinders to measure nic, PG, and VG to make my base mix. I always make anywhere from 200 to 400 ml at a time. When I make juice I measure the base by first using a 1 ml syringe to add flavoring and then filling up the rest of the bottle with my base leaving just enough room to shake it occasionally.

I usually only mix 30 ml at a time of final product. So, at 10% that's 3 syringes full of flavoring. But, I don't use as much flavoring as most people do. So, 1 ml syringes are really all I need.

Oh, and how I use them? I just suck up a little flavoring, then push it back out, then suck it up again to measure it. That gets rid of the air bubbles.

 

[Widowmaker_]

I cycle the plunger to make sure there's no liquid in the needle tip before inserting the needle into the liquid, then draw liquid into the syringe until the plunger reaches the desired ml. I don't worry about the air bubble in the syringe, my theory is that if the plunger moves from 0.0ml to 0.5ml then it's going to draw 0.5ml into the syringe/needle assembly regardless of what size needle is on the syringe and how much air or ml the needle holds.

It would be cool if someone that has an accurate measuring device could test this theory out.

 

[orson]

I use a scale, a cheap 100g capacity scale is accurate to something like +/- .02g

Just fill the syringe, tare the scale and dispense to proper weight. Very accurate and recipe will remain consistent in varying temperatures.

 

[Calivapr123]

I cycle the plunger to make sure there's no liquid in the needle tip before inserting the needle into the liquid, then draw liquid into the syringe until the plunger reaches the desired ml. I don't worry about the air bubble in the syringe, my theory is that if the plunger moves from 0.0ml to 0.5ml then it's going to draw 0.5ml into the syringe/needle assembly regardless of what size needle is on the syringe and how much air or ml the needle holds.

It would be cool if someone that has an accurate measuring device could test this theory out.

This