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Suggestions for an over-engineered water filter? (lemmy.world)

submitted 4 days ago by Postmortal_Pop@lemmy.world to c/diy@slrpnk.net

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Local tap is dubious at best and leaded at worst so we fill 5gallon jugs at a filter station the next town over. I'm getting tired of transporting and paying for water, so I'd like to make a filter that won't just clog up with hard water in a week. Anyone have recommendations on where to start?

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[–] harambe69@lemmy.dbzer0.com 2 points 3 days ago (1 children)

I bought RO water filter service kits, pump, valve, power supply, and cutoff valve for about $40. It contains the following filters in order: Spun polyproplyene pre filter, sediment filter, pre-carbon filter, ro membrane, post-carbon filter, uf filter, mineral filter. Feed water is brackish groundwater, 2000 TDS. Output is pure water at 100 TDS. Pre filter replaced every three-four months, rest once a year. RO membrane once every two years. Pump and parts as needed. Makes 30-40 liters of water a day. I always keep spare filters and parts on hand.

[–] Postmortal_Pop@lemmy.world 2 points 2 days ago (1 children)

Any chance you could point me to where you got it? I can't seem to find just the filters for less than $50

[–] harambe69@lemmy.dbzer0.com 1 points 2 days ago

Well, I did convert the local prices to USD. Maybe try alibaba?