2mm Ekowool silica wick
I initially used cotton balls to make a wick for my
kayfun, but found out later that cotton yarn was easier to work with.
The problem with cotton of any type is that you can't dry-burn your coil without burning up the cotton. Secondly, cotton don't last very long. Needs to be replaced every couple of days.
So, I have now stopped using cotton yarn and make my wicks using 2mm braided / hollow Ekowool silica. I looks and acts like cotton yarn, but it don't burn and your wicks will last a very long time before they need replacing ... Taste is just as good as cotton.
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The photos below shows the wick made from cotton yarn, but the 2mm Ekowool silica looks the same, and the install method is the same as the cotton yarn.
BTW ... You will need to wind your coil around a 2.8mm (7/64") drill rod in order to have a large enough inside diameter of the coil so 2 pieces of the 2mm Ekowool can be pulled through the coil.
In my coil, I used 28 AWG Kanthal and 8 wraps to make a 1.6 ohm coil. I feed the coil 3.9v which is 9.5 watts.
I have found no better wick for my
kayfun Lite Plus (authentic):