> Shawn is right. Crystallization occurs when the resin gets cold, but it's
> not spoiled. Warm it up and the crystals will redissolve. But if you just
> bring it back up to room temp, they will reform. Take it up to 120 F., let
> it get good and clear, and there won't be any adverse effects on the
> resin. It's OK to leave the pump in the bottle, but the water trick may
> not work as well as putting the whole bottle on top of an oil-type space
> heater on medium-low for a couple hours.

> Sometimes granules get trapped in the check valve at the bottom of the
> pump. If that happens, it will throw the ratio off and that is Very Bad.
> Check the next few batches with a measuring cup to make sure you're right
> on. If not, purge the pump with acetone or MEK. It's easy to take the pump
> apart but a messy proposition, so try first just pumping the solvent
> through.

Think of what your labor is worth, particularly to fix a problem that might result, trash the lot and get fresh resin. I'm cheap, but not that cheap. Do yourself a favor, and eliminate the risk. TNX, Scotty