JKB, wait 'till you start messing with liquid nitrogen. That's a wee bit chilly......... wink

One place that I was at was using a tanker of it in 2 days. By the time we got done with the project that usage was down to every 2 weeks. (process and equipment improvements)


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3/4 to 1 1/4 ac pond LMB, SMB, PS, BG, RES, CC, YP, Bardello BG, (RBT & Blue Tilapia - seasonal).