nostr:npub1pmuf73wrrzsxga8rxwlq7whhsa5pl5tchq8ht5deg2zyzg57tspqnka0zl Looks good. You'd need two for most households if you have a good supply of rainwater. Been living off of rainwater for about 20 years of my life. Currently have about a 10k gallon galvanized steel old corrigated tank.