Hi, I got a new Vape Smok V-Fin and I am using Aspire Clieto Pro tank. The guy gave me two 0.4 coils and the liquid is burning really fast.?

Update: Hi, I got a new Vape Smok V-Fin and I am using Aspire Clieto Pro tank. The guy gave me two 0.4 coils and the liquid is burning really fast.? Which coils would last the longest, burn through the least juice but also provide nice clouds?
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