I live in an area whose water supply is around 200-300ppm TDS. I'm not letting that come anywhere near my E61 machine, so I use the "Zero Water" filters and then remineralize. This is convenient, but the filters don't last long, given the water they have to work with. How do you treat your water? Do you use RO? Is there a less wasteful/expensive method of water purification I don't know about? Thanks in advance for all your advice.

I’m around 130 TDS and I’m still on my first filter since January - yesterday it was still giving me zero

@"Uncletits"#p70651 Thanks for that. I get through one filter a month. Once I've remineralised, I'm at around 120ppm. If I had water as relatively pure as yours, I might not even filter. 😉

@"PianoMan"#p70653 - my water reads 180ppm - 200ppm TDS. However, the hardness in terms of calcium carbonate is 310ppm. I use ZeroWater. One filter lasts me around 6 months. On average, I use 1.5L water a week.

@"MediumRoastSteam"#p70655 I'm starting to think I'm a heavy coffee drinker. 🤣 I get through around 10L a week. Perhaps it's because I have to flush the group head when I make a coffee. It's not the most water-efficient process. ☹️

Live in Kent crazy hard water - have a full house softener - which then goes into the zero. Usually get around 65-100 tpm - had the first set of filters in since april 24 - maint light just come on so it must have hit 2000 litres. Though tbh the readings seem fine still.

@"MattH"#p70659 A softener removes the calcium hardness, yes, not just a purifier? Forgive my ignorance as I'm fairly new to this. I share your frustration with water hardness. I honestly don't think I could run an e61 style machine straight from the mains.

I make rodi water they cost about 80-100 to buy and install.

@"Cuprajake"#p70661 Is that a standard RO system? Do you perhaps have a link?

I use this system. https://www.waterdropfilter.co.uk/collections/portable-reverse-osmosis/products/instant-hot-water-reverse-osmosis-system-wd-k19-h The price varies almost daily. I paid £279. It is quite quick, has worked faultlessly in the 2 months I have had it. They are a global company. I used to use the Osmio Zero system which is nearly £200 more. I do have to add bicarb back in to the water for use if my coffee machine but for me the pro's outweigh the con's I have just checked Amazon and it is currently £269 https://www.amazon.co.uk/Waterdrop-Instant-Dispensers-Countertop-WD-K19-H/dp/B0BRMWKJ19/ref=sr_1_1_sspa?crid=38ZT436W2WYCE&dib=eyJ2IjoiMSJ9.xkFNOU04MGbmwbEkqArwvPxM0ZgPRDd_EjIvyeavtS1sPKbhK2JXcWMbgOaoykchr_gCJCnx6D0bTKKp5PSjvcbYC_wxG4LpwLN-_AbFUDvwRwVxoTO2OSnHVjClQTjiH8D3UjftYrn74Z7GAi9UJMBcgBOC5jTxcg96_rnwPBSv7w3D6u2q7slbPltsDzg7_rWnUlffy4D02ATnRktAb_cyxJu1ZBlo2kc0WrntmZ0H5tJ3fP4D45rcuLOL37nR9AIZJeCeBcWx3G9tShu06m4G4J1t5OBrSNZE3uxCZyU.oEoPg7c9nWYXIdrOuFUw9DbKJpnmI4Y28kAxH4p8FMU&dib_tag=se&keywords=waterdrop+k19&qid=1723984248&sprefix=waterdrop+k19%2Caps%2C112&sr=8-1-spons&ufe=app_do%3Aamzn1.fos.d7e5a2de-8759-4da3-993c-d11b6e3d217f&sp_csd=d2lkZ2V0TmFtZT1zcF9hdGY&psc=1

@"PianoMan"#p70660 Yes just the hardness (or at least reduces it) and then the Zero has to work less hard so it keeps the filters lasting longer.

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From what source to people get the purified water (i.e. with near-zero TDS)?

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