Some engineer friends and I like Home Master given how modular it is - albeit a bit oldschool: https://www.theperfectwater.com/reverse-osmosis https://www.thep

Some engineer friends and I like Home Master given how modular it is - albeit a bit oldschool: https://www.theperfectwater.com/reverse-osmosis https://www.theperfectwater.com/reverse-osmosis https://www.youtube.com/watch?v=9RqoPpZbszY https://www.youtube.com/watch?v=9RqoPpZbszY In particular the permeate pump makes it more usable and less prone to clogging and the 'insta-hot' option is great for tea/coffee. I'm not a fan of their branding and vague NSF certifications but likewise see fewer red flags with them than their competitors. Eg it's made in the USA, they've been around for a while, they have a few patents to their name, and their based out of Phoenix where the water tastes like garbage so they probably dog food their product. My only wish is to upgrade the remineralization process to 'set and forget' a profile as described in this post on how to DIY name brand mineral waters: https://khymos.org/2012/01/04/mineral-waters-a-la-carte/ https://khymos.org/2012/01/04/mineral-waters-a-la-carte/ If you go deep enough down the coffee-snob rabbit hole you eventually get into fun conversations about remineralization: https://www.baristahustle.com/blog/what-can-we-use-to-remineralise-water/ https://www.baristahustle.com/blog/what-can-we-use-to-remine... - and cheekily https://thirdwavewater.com/ https://thirdwavewater.com/ For something less daunting and ready to go I've heard good things about the Waterdrop K6: https://www.youtube.com/watch?v=AkTMsgOsgu0 https://www.youtube.com/watch?v=AkTMsgOsgu0 - though there other models appear to be good too and the publish their reports on product pages such as this one: https://www.waterdropfilter.com/products/undersink-reverse-osmosis-system-x16?ref=navimenu https://www.waterdropfilter.com/products/undersink-reverse-o...