yea if its gonna be that warm, 30 + then use some yellow. if its dry then use a ton of wax. melt it on smooth, let cool for about 10-15 min then go over with the iron again melting the wax in.
this penetrates the wax into the base further and further.
make sure you put on the soft wax first, even if you need to use hard wax
once youve went over with the iron a couple times, then scrape that base smooth till almost nothing comes off
then go to the colder wax
the colder/harder wax will stick to the warmer/softer wax and will stay on your bases longer.
repeat the same process with the cold wax as you did with the softer wax.
once all done, scrape it super clean and brush if you have one.
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*caution: may be hot!