Frustrating but simple problem

[bmaverick]

Despite being one of the cheapest chemicals at industrial scale...

Don't buy Acetone at Ace Hardware. The little 8oz bottle is at $12.

 

[CalG]

Choose your containers for acetone wisely. That stuff will soften many plastics.

 

[lpakiz]

I didn't see a pic of the offending fitting but if you can get an "anvil" on one SIDE of the fitting and apply blows to the exact opposite side, against the anvil, the external threads will expand and the fitting will get loose.
The anvil can be a foot or so of 1" shaft, and may need someone to hold it tight to the side of the male part.
The hammer can consist of another chunk of shaft or a large punch, and struck smartly with a BFH. Don't be afraid to hit it several dozen times, always against the anvil. Rotate around the fitting as space allows, but always position the anvil opposite of the hammer blows.

 

[5030]

Choose your containers for acetone wisely. That stuff will soften many plastics.

Never had an issue with the dollar store spritz bottles yet, have ni idea of the composition but they work as intended.

 

[5030]

Yes it does work. So does DEEP CREEP. Both work insanely well. Acetone is very pricey lately.

So, you know my ex wife?????