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This is a good question and the answere can get complicated. As some have said , you don't want to mix too little or even a slight error in measuring will throw off the mix and it will stay sticky. However , the more you mix , the hotter the mix will get and the quicker it will set up. If you mix a lot , you got to pour it out into a thin layer on foil or it will set up too fast in the cup do to too much heat build up.
I have gone back to using syringes. I used them at first , figured there was no need then went back to using them. I like to use 3 to 5 CC of each. If you are building a lot , get the finish in big bottles and the unit price gets very low. That way you don't have to worry about conserving the finish so much. I'd much rather waste a little finish than have a batch not set up because I was stingy using small batches. If you have to cut off the wraps on even one rod cause the epoxy didn't set up right , that would make up the cost of a years worth of mixing an extra CC or two to avoid the problem.
You got to learn to apply the finish fast.I mean go like hell! The stuff is much easer to get down smooth , thin and evenly when its watery. Once it starts to set up , you can work with it but I think you tend to put too much on at once.
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