I swapped out my old toilet for one of those low-flow models last year, thinking I'd save water and maybe a bit on the bill. Honestly, it works fine most of the time, but sometimes I feel like I have to flush twice, which kinda defeats the purpose? Anyone else run into this or is it just me being unlucky with brands?
Honestly, it works fine most of the time, but sometimes I feel like I have to flush twice, which kinda defeats the purpose?
That’s a pretty common complaint with some low-flow toilets, especially if you’ve got older plumbing or if the model isn’t quite up to par. Did you notice if your new toilet is a single-flush or dual-flush design? Sometimes the dual-flush ones are better at handling different types of waste, but even then, not all brands are created equal.
One thing I always ask folks is whether they checked the water pressure and fill valve settings after installation. If the tank isn’t filling to the right level, you might not be getting enough force behind each flush. It’s worth popping the lid off and making sure the float is set correctly—sometimes installers leave it a bit low to “save water,” but that can backfire.
Also, what kind of toilet paper are you using? Thicker or “ultra” brands can clog up low-flow models faster than you’d think. I’ve seen people switch to thinner paper and suddenly their double-flushing problem disappears.
If you’re flushing twice regularly, it might be worth checking for partial clogs in the trap or drain line too. Even a small buildup can mess with performance on these newer toilets. A quick plunge or auger run (carefully—don’t scratch the porcelain) could help.
Not every brand gets it right. Some of those bargain models just don’t have enough engineering behind them. But before swapping it out again, I’d check those basics: water level, paper type, and drain health. Sometimes it’s just a tweak away from working as intended... though yeah, sometimes you do get unlucky with a dud model.
Curious if your old toilet ever had similar issues or if this only started after switching? That might help narrow down whether it’s a plumbing issue or just the new toilet’s design.
Had a similar issue at my place after swapping out the old toilet for a low-flow model. Ended up finding out the installer left the fill valve set super low—probably trying to be extra “green”—but it just meant weak flushes. Adjusted it up a bit and things improved. Did you happen to check if the water level in your tank lines up with the mark inside? Sometimes it’s off by just an inch and that’s enough to cause trouble.
Yeah, I ran into something similar when I moved in. The water line was way below the mark—didn’t even notice at first. Once I bumped it up, the flushes got way better. Still not as strong as the old-school ones, but at least it’s not a two-flush situation every time. Low-flow is cool for saving water, but sometimes it feels like more hassle than it’s worth...
Yeah, I ran into something similar when I moved in. The water line was way below the mark—didn’t even notice at first.
I’ve installed a few low-flow models in my rentals, and honestly, it’s hit or miss. Some brands just don’t clear as well, even with the water line adjusted. Maintenance calls for clogs went up a bit after switching. Water savings are real, but I’m not convinced the trade-off is always worth it.