That’s a fair point about UF filters clogging up faster—seen that myself in a couple houses with well water. The pressure boost is nice, but if you’re swapping out cartridges every few months, it adds up. Curious what your source water’s like? Around here, a lot of folks end up pre-filtering before UF just to keep things running smooth. Wonder if that’s worth the hassle or just another thing to maintain...
Wonder if that’s worth the hassle or just another thing to maintain...
Honestly, I’d argue pre-filtering before UF is more than just “another thing”—it’s almost essential if your source water has a lot of sediment or iron. Otherwise, you’re burning through UF cartridges way too fast. I’ve seen setups where a simple spin-down filter up front made a huge difference in cartridge life. Sure, it’s one more component, but compared to the cost and hassle of frequent UF swaps, it’s a trade-off that makes sense for some folks. Maintenance is maintenance, but at least you can clean or flush a pre-filter instead of tossing expensive membranes every quarter.
Maintenance is maintenance, but at least you can clean or flush a pre-filter instead of tossing expensive membranes every quarter.
Ever tried running a green roof with a UF setup? I’m curious if all that extra organic gunk from the plants would clog things up faster, or if a spin-down pre-filter would actually keep up. Anyone seen how these filters handle runoff after a big storm?
Ever tried running a green roof with a UF setup? I’m curious if all that extra organic gunk from the plants would clog things up faster, or if a spin-down pre-filter would actually keep up.
Yeah, the pre-filter helps, but after heavy rain on a green roof, you’ll still get more debris than with a standard setup. I’ve seen spin-downs keep up okay as long as you’re on top of cleaning them—if you let it slide, things back up fast. UF membranes definitely handle the load better than RO in my experience, especially when you’re dealing with runoff full of soil and plant bits. Just be ready for more frequent checks after storms... Nature always finds a way to gum things up.
- After a big storm, I always find more junk in the pre-filter than I expect. Not just leaves—sometimes bits of moss, even tiny gravel if the roof’s older.
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Couldn’t agree more. Even with a spin-down, you’ll get surprises after heavy rain.“Just be ready for more frequent checks after storms... Nature always finds a way to gum things up.”
- UF membranes are definitely less fussy than RO for this kind of runoff. RO just hates any kind of suspended solids, and you end up cleaning or replacing cartridges way too often.
- I’ve had better luck with a dual-stage pre-filter: spin-down first, then a big mesh filter before the UF. It’s not perfect, but it buys you more time between cleanings.
- One thing I learned the hard way—if you let that first filter get too full, it’ll push gunk right through to the membrane. Then you’re in for a much bigger cleanup.
- If you’re in an area with lots of wind-blown debris or pollen, expect to check things even more often in spring and fall.
- Honestly, it’s just part of having a green roof. The benefits outweigh the hassle for me, but yeah... maintenance is real.