Yes I chill my solvent tank first, then once I’m ready I use nitro to push through…I noticed my recovery tank will pull the nitro because I wont see any recovery happening even though its empty and on dry ice…as soon as i open my vapor line on the recovery tank it burps out a good amount of pressure and that’s how I know it’s the nitro because my tank was empty and cold so there is no reason why it should hold pressure. Also as soon as I do that recovery begins and the aggressive sound of the vapors coming in confirm the nitro is out and recovery has began. The burp is only about 5 to 15sec long
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