This is why i switched to petroleum based, pic. The first tank corroded on the inside after about 5-6 years. I got my new tank from Toolking, cost was $51 bucks. SLIP doesn't sell them anymore, I am wondering if it was because they didn't play well with their water based solvents.
I am using Graymills Agitene solvent from Graingers (2RE49). Works much faster and I don't have to be so careful when drying the parts since there is no water.