The reasons why sea water should NOT be used to flush tilets can be found here:
CoCT has aging infrastructure and "The rates of corrosion of your pipelines and for example toilets really depends on the material of selection. HDPE (High density polyethylene) usually has a high resistance to Saline water, as does some grades of carbon steel..."
Raison D'etre for this site
A compilation of hints and tips on how to handle living in a severe drought scenario. These hints and tips are willingly shared by the people of Cape Town, and are aimed at whoever is in need - now - or in future, in order to ease their stress when faced with water shedding / shortages due to a drought