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Check the pressure of the oxygen (ChemLab), helium and argon bottles (Tween Pallet Stores). Ensure the bottles are above 200 psi; otherwise, swap them out with fresh bottles. When a Pallet Stores bottle array is empty, tear the yellow tags to EMPTY, disconnect the manifold and connect it to full bottles. It is good practice to always have a full gas bottle array ready to go.
Supplies
IAPSO - Store Store it properly (in the fridge with the cap wrapped in parafilm), as any evaporation will lead to increased salinity.
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