Why I Switched My Refrigerator's Water Filter and Never Looked Back

I used to think the only thing worse than running out of coffee was running out of filtered water. That was, until my fridge’s water tasted like a swimming pool in July and the ice cubes smelled faintly of wet pennies.

The real kicker? The first time I went to swap the filter, it was a comedy of errors. I managed to spray water all over my socks, then realized I’d bought the wrong model. The dog looked at me like, "You’re not ready for homeownership."

After a few more disasters (including a very loud, very leaky attempt last spring), I got serious about finding a water filter that actually fit my fridge—and my budget. Here’s what I wish I’d known from the start.

1. Compatibility Isn’t Optional—It’s Everything

The first time I tried to swap my filter, I thought, "How hard can this be?" Spoiler: the answer is harder than it should be. I bought a generic filter from the hardware store because it was on sale. Turns out, just because it says "fits most models" doesn’t mean it fits yours.

After fifteen minutes of wrestling with it, I gave up and drank warm tap water instead. Not my finest moment.

If you own a Kenmore or LG fridge, double-check the model numbers. I eventually found out that the 6 Pack L-G LT1000P ADQ747935 Fit kenmore 9980 Refrigerator Water filter is actually made for my exact model. No more wrestling, no more leaks.

2. Official Filters Cost More Than Concert Tickets (But You Have Options)

I remember reading, "I finally decided to change it and got effing surprised to see that the official filter costs $150 and it is recommended to change it every 3 to 6 months." I felt that in my soul.

The official filters are pricey. Sometimes, it’s worth it for peace of mind—especially if your water source is questionable. But honestly, after my first year, I started looking for alternatives. There are plenty of aftermarket filters that are certified for safety and performance, and some work just as well for a fraction of the price. The trick is checking for NSF certification and making sure it fits your fridge. I paid about $51 for a six-pack of the LT1000P filters, and the water tastes just as good as with the original.

3. Six Months Isn’t a Myth—But It’s Not Gospel Either

The little red warning light on my fridge used to stress me out. Change the filter every six months, or else…what, exactly? The water turns into soup?

I kept asking myself, "Do I really need to change it every 6 months? Are there aftermarket replacements for these things?" Here’s what I learned: if you have a big family or use lots of ice, you’ll probably want to stick to the six-month rule. If you live alone and barely use the dispenser, you can push it a bit further. But if the water starts tasting off or the flow slows down, it’s time.

4. Double Filters Aren’t Always Double the Benefit

Last spring, I discovered my fridge had both a built-in and an in-line filter. Cue the confusion. "We have a built-in filter which twists out, but then behind the fridge there's also an in-line filter. Any reason to have 2 filters?" I wondered the same thing.

Turns out, it’s overkill for most people. Unless your water source is really bad (think well water with lots of minerals), you can usually get by with just one. I removed the in-line one, stuck with the LT1000P in the fridge, and haven’t had any issues since. Simpler is better.

5. Installation Shouldn’t Require a Plumber (Or a Degree)

Here’s a confession: the first time I tried to install a filter, I watched three YouTube videos and still managed to flood my kitchen. Not my proudest moment.

What I like about the LT1000P is there’s no need for tools, no complicated steps. You just twist out the old one and pop in the new. If you can open a jar, you can do this. My only advice? Keep a towel nearby, just in case.

Check compatibility before you buy
Don’t pay for the brand name unless you have to
Look for NSF certification
Have a towel ready for the first swap

It’s the little things.

6. Taste and Safety Actually Matter

I used to think all water tasted the same. After a few months with an old filter, I realized I was wrong. The water started tasting metallic, and the ice cubes made my iced coffee taste weirdly salty.

Since switching to the LT1000P, the taste is noticeably better. It filters out chlorine, lead, and even the weird smell from my old copper pipes. I didn’t realize how much I cared until I noticed the difference. My tea, my cooking, even my dog’s water bowl—it all just tastes cleaner.

"You don’t notice how bad it’s gotten until you fix it."

Exactly.

The Bottom Line

If you’re tired of overpaying for official filters—or just want something that works without a hassle—try a certified replacement like the LT1000P six-pack. If you’ve got a different brand, just be sure to check compatibility, look for NSF certifications, and don’t let the warning light guilt-trip you into overpaying.

Whether you go with the LT1000P or another certified option, just swap your filter before your water starts tasting funky. Your taste buds—and your socks—will thank you.

Why I Switched My Refrigerator's Water Filter and Never Looked Back