Leak checker show 1e-1 mbar L/s which is one order higher when we left pumping after adding exchange gas.
Pumped out the IVC again to prepare to add He gas to 1K pot.
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Added 1 mbar, then 10 mbar He gas to 1Kpot, needle valve closed. No change in leak detector. Either no leak or leak is lowered than current background level.
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To check Main Bath to IVC for leaks, added two tubelengths of exchange gas to IVC and one tubelength to CVJ. Expected to see heating, but the overall temperature dropped a little overnight, Main Bath is not completely empty.
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