you may wanna read something related...
http://www.e-cigarette-forum.com/forum/new-members-forum/168208-70-isoprophyl-alchohol.html
Read somewhere that only 90% and above IPA should be used. Dunno why.
Also, the one you are using is 70% and cost ard $3+ a bottle rite? Dunno whether can use those selling at Ah Lau hardware shop...those big beer bottle selling ard 2+
yes its better if u use smth 90% and above. thats y i've been using denatured alcohol instead of isopropyl alcohol.