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ahh the usual way ok - good to know.. is helium coolant cell an alternative for ic2 reactor cooling ?
Making coolant requires the IC2 fluid/solid canning machine (not just any normal canning machine). This machine is still enabled. You also need to click a button in the GUI to set it to "enrich" mode. I think you need to power it by attaching an IC2 transformer to a GT cable.
Make sure to use distilled water with lapis dust, as normal water requires 8x as much lapis per bucket of coolant.
ahh the usual way ok - good to know.. is helium coolant cell an alternative for ic2 reactor cooling ?