If your IPA is saturated enough to turn to gel in the sun, you waited way too long to clean your IPA. Once the IPA is cloudy enough you can see that it’s obviously cloudy, it’s time to clean the IPA. The amount of resin you can remove is a function of how saturated the IPA already is with resin. Once the IPA is completely saturated, it puts as much resin back on the print as it removes…