@kapsology Membrane life depends on your water quality and how much water you use.
If your usage is high or if your water is hard. Nothing you can do will increase membrane life
@CTR_Nirmalkumar@TANGEDCO_Offcl@HosurOnline_Com Sir a small recommendation, please release a guideline at requires the cross arms/clamps to be primed and painted properly or even better still specify that they have to be Hot dip Galvanised.
@broudsov@elonmusk Respectfully the answer to your original question around heat rejection in space is black body radiation. 1K is an amazing cold sink.