Half flush never seems to work right - am I missing something?

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“if you have to double-flush every time, you’re not really saving anything.”

- Couldn’t agree more - half flush usually just means double the work.
- I swapped mine out at home for a dual-flush model thinking I’d be all eco, but honestly, it’s just me standing there, flushing twice and feeling silly.
- Sometimes it’s the design, sometimes it’s the water pressure, but either way, it’s not you.
- Full flush gets the job done and saves you from the dreaded plunger scenario.
- Maybe these things work better in theory than in real life... or maybe my house is just cursed with bad plumbing.

Yeah, I’ve noticed the same thing. Half flush just doesn’t cut it unless it’s literally just a tissue or something super light. I wanted to be greener too, but if you’re flushing twice, kinda defeats the purpose. Maybe these toilets are just better suited for newer plumbing? My house is older and it’s always been a struggle.

Half flushes have always been hit or miss for me too, especially in my 70s-era place. I tried adjusting the float and even swapped out the flapper, but honestly, it still struggles with anything more than a bit of paper. Sometimes I wonder if the older pipes just can’t handle the lower water volume. I get wanting to save water, but if you’re flushing twice, it’s kind of a wash... pun intended.

- Had a similar experience after retrofitting my 80s toilet with a dual-flush kit.
- Even with new seals and adjusted chain tension, the half flush just doesn’t clear anything substantial.
- I suspect it’s partly the old 3-inch drain line - modern toilets are engineered for less water, but older systems aren’t.
- Kind of defeats the purpose if you’re double flushing, right?
- Thought about upgrading the whole toilet, but not sure it’d help unless I redo the plumbing... which is a whole other can of worms.

I ran into the same thing after swapping in a dual-flush kit on my old toilet - half flush just doesn’t cut it unless it’s literally just water. I’ve wondered if the bowl shape and older trapways are part of the problem, not just the drain line. Even with a new toilet, would it really work better without updating the plumbing? Seems like these retrofits are more about ticking a box than actually saving water in older homes. Anyone ever see a real improvement after a full upgrade, or is it always a compromise?