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Choosing between in-kitchen and underground grease traps—what would you do?

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Posts: 9
(@aphillips48)
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- Been there with the slab jackhammering—never again if I can help it.
- In-kitchen traps are gross, sure, but at least you know what you’re dealing with.
- Underground? Out of sight, out of mind... until it’s a disaster and $$$.
- I’ll take a stinky clean-out over concrete dust any day.


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Posts: 7
(@eleaf44)
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I hear you on the jackhammering—nothing like a cloud of concrete dust to make you question your life choices. I went the in-kitchen route last year after a friend had to dig up half his basement for an underground trap leak. Here’s how I see it: with an in-kitchen trap, yeah, you get the occasional whiff and have to clean it more often, but at least you can spot problems early. I set up a regular maintenance schedule—every two weeks, pop the lid, scrape out the gunk, rinse, done. No surprises under the floor.

But then again, the space it takes up under the sink is annoying, especially in a smaller kitchen. I’ve seen some folks install those low-profile models, but I wonder if they’re as effective long-term. Has anyone tried those? Do they clog up faster or is it just a trade-off for convenience?


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markcampbell410
Posts: 8
(@markcampbell410)
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- Had the same debate last year when our old trap started leaking—couldn’t stomach the cost of ripping up the floor, so we went with a compact under-sink unit.
- Space is tight, but honestly, it’s way easier to check for leaks or clogs. I’d rather deal with a little less storage than risk a hidden mess.
- Low-profile models are decent, but I’ve noticed they fill up quicker. More cleaning, but at least you catch issues before they get gross (or expensive).
- For me, it’s about being able to see and fix stuff fast. Not glamorous, but it’s saved us a couple times already.


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Posts: 3
(@matthew_chef8129)
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I hear you on the under-sink units—way easier to spot a problem before it turns into a disaster. I’ve had to crawl under a few kitchen sinks that were packed with cleaning stuff, though, and man, it’s a pain when you’re trying to get at the trap. Ever run into issues with smells from the compact ones? I’ve noticed some models don’t seal as well, especially if they’re not cleaned out often. Wondering if that’s just me or if others have had the same thing happen.


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mmeow55
Posts: 5
(@mmeow55)
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Yeah, those compact under-sink traps can get funky if you don’t stay on top of cleaning. I’ve had a couple that seemed fine for a while, then—bam—mysterious swampy odor. Turns out the gasket wasn’t sealing tight anymore. Guess the plastic deforms a bit over time. I started putting a reminder in my phone to give it a scrub every couple weeks. Not glamorous, but it helps. Honestly, I kinda miss the days when all you had to worry about was a leaky P-trap and not a science experiment under there...


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