I’m honestly tired of dealing with all the wasted water. Our TDS isn’t super high to begin with, so maybe I’m just overthinking it? I’m a little paranoid about taste though—my partner is really picky.
Honestly, I get the whole RO hype, but unless you’re living somewhere with seriously questionable water, it can be overkill. We switched to a decent carbon/UF setup last year and haven’t looked back. My wife’s a coffee snob and she didn’t even notice the change—she only noticed when I told her (and then claimed she could taste a difference, but I think that was just to mess with me). If your TDS is already low, you might be fine. The wasted water from RO always bugged me too... felt like I was draining my wallet every time I filled a pot.
We had the same debate in our house—my partner is super sensitive to taste, and I was worried about ditching RO at first. Here’s what we did: I picked up a basic TDS meter (they’re cheap online), checked our tap, and it was under 150 ppm. Swapped to a carbon+UF filter, ran it for a week, then did blind taste tests with coffee and plain water. No complaints, even from the picky one. The water waste from RO always bothered me too, especially since our usage isn’t huge. If your TDS is already low, it’s probably worth trying UF for a month or two—you can always switch back if you hate it.
I get where you’re coming from on the water waste—RO can feel pretty rough if you’re watching your usage or care about sustainability. But I gotta say, I tried switching to UF last year and it didn’t totally work for us. Our tap TDS was around 120, but the taste was just… off, especially in tea. Maybe it’s our pipes or something? Ended up going back to RO, but I do wish there was a less wasteful option that still nailed the taste. Curious if anyone’s found a good middle ground.
Honestly, I hear you on the taste thing—water’s one of those things where you don’t notice it until it’s off, and then it bugs you every single time. I’ve seen a lot of folks try to ditch RO for UF or even just carbon filters, hoping to cut down on waste and maintenance headaches, but it’s rarely as simple as swapping one for the other. When your pipes have some age or there’s any weirdness in the supply lines, those subtle tastes can sneak in, especially when you’re making tea or coffee. I always tell folks: tea is unforgiving. If there’s any odd mineral or residue, it’ll find it and amplify it.
From what I’ve seen in homes around here (midwest suburbs), folks with TDS under 150 sometimes get away with just carbon block filters plus a polishing filter for taste—especially if they’ve got newer plumbing. But if your pipes are older copper or have any buildup, even a little, that can throw off the flavor no matter what filter you use. UF might not be enough to take out whatever’s causing the taste issue.
Personally, my own place has a TDS around 110 but iron and sulfur can spike after heavy rain. Tried UF for a while—my coffee tasted weirdly metallic and I couldn’t figure out why until I checked the filter specs against our water report. Ended up back with RO too. Yeah, it feels wasteful watching all that reject water run down the drain... I tried routing it to the garden but that only works part of the year.
Some people are experimenting with hybrid systems—RO for drinking/cooking taps only, then regular filtration everywhere else. That way you’re not running all your household water through RO and wasting gallons just to flush a toilet or wash dishes. It takes some extra plumbing but can be worth it if you’re picky about taste but still want to save water.
If anyone ever invents a “magic” filter that makes tap taste like spring water without waste, they’ll be rich overnight. Until then, it’s all trade-offs... at least we get to drink good tea while we debate which system is less annoying!
Hybrid setups are where it’s at if you’re fussy about water taste but also hate the guilt trip from all that RO waste. I rigged my RO reject line to water the roof garden—keeps my succulents happy, at least until winter hits and everything freezes solid. Still, nothing like making tea with water that doesn’t taste like you licked a rusty pipe. I wish there was a “set it and forget it” solution, but for now, it’s all about finding the least annoying combo.
