Rebuilding head help

[bluenose]

Hi all just started using evod and pro tank really enjoying them but I'm unsure of when how to repair them.
i get about 3 days out of a head then just change it over to a new one.i have about 6 lying around now are they dead or repairable ?
im not sure on this is the atty ok and just the wick causing the drop off in performance.
any help would be great.

 

[tmcase]

I believe both these tanks are rebuildable. I know for sure the protank is. They all rebuild similarly so you can find tons of youtube vids on how to rebuild these attys. It's not hard. Your drop in performance is probably due to a gunked up wick. You might get away with a few short dry burns if you are using silica and then pick off the burnt debris to get a couple more days out of a setup.