Great place to get blank Cartos is PS but, they're sold out already! LOL
Steve had them at $1.09ea.
Instead of blowing them empty or shaking them full I modified an idea from a thread on here and built this.
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6 or 8 drops and giver a spin, repeat. The centripical force drives the juice down into the wick. I get 28 - 33 drops in a new cart and fill just until the top barely stays wet on a refill. That averages around 18 - 20 drops (I try not to run them dry).
You can flip the carto upside down to extract the water out of them when cleaning. Works pretty darn good.![]()
Great idea......