Your Modern LivingPractical guides for everyday living

Cleaning & Laundry

Best Washing Machine Tub Cleaner For Lg: Top 5 Picks for Pet Hair & Odor

Updated 15 min read

Reader-supported: when you buy through links on our site, we may earn an affiliate commission at no extra cost to you. As an Amazon Associate, we earn from qualifying purchases. Learn more.

Guide at a glance

  • 5products compared
  • 15minute read
  • Side-by-side comparison table
  • Who each pick suits best
  • What to check before you buy

If your LG washer has started to smell musty, leave a gray film on the drum, or leave lint and pet hair clinging to clothes, the tub is probably due for a deep clean. Front-load and top-load machines both trap soap residue, mineral scale, and odor-causing moisture in places you never see, such as the drum seal, the drain pump filter, and the hoses. Regular cleaning tablets are one of the simplest ways to keep those areas under control without scrubbing by hand. This guide looks at five popular washing machine cleaner tablets, explains how each one fits different households, and walks you through what to consider before you buy.

Quick Comparison Table

ProductBrandPack SizeBest For
Washing Machine Cleaner Tablets for Pet Owners ProIWOOFI28 tablets (14-month supply)Homes with pets and heavy lint
True Fresh Washing Machine Cleaner Descaler TabletsTrue Fresh15 tabletsBudget-minded monthly maintenance
Renuv Heavy Duty Washing Machine Cleaner and Descaler TabletsRenuv6 extra-large tablets (6-month supply)Heavy buildup and unscented preference
5X Power Deep Cleaning Washing Machine Cleaner TabletsCaspeakMulti-tablet packPet hair and odor control
iO CLEAN Washing Machine Cleaner Descaler TabletsiO CLEAN24 tablets (1-year supply)Hard water areas and unscented use

Our Picks: Best Washing Machine Tub Cleaner For Lg reviews

IWOOFI Pet-Focused Tablets for Homes With Heavy Lint and Fur

This IWOOFI product is aimed at households where pet hair ends up everywhere, including inside the washer. The formula is marketed as a pet hair dissolver that loosens trapped fur, breaks down grime, and removes residue from the drum and internal parts. Each tablet is added to an empty washer and run through a hot cycle, so the process is simple and requires no scrubbing. The pack contains 28 tablets, which the listing describes as a 14-month supply, so you get a long runway for monthly maintenance.

The product is positioned for front-load, top-load, and HE machines, which covers most LG models you are likely to own. The listing also states that the formula is septic-safe, a useful detail if your home relies on a septic system rather than a municipal sewer line. Because the tablets are meant to reach gaskets, seals, and filters, the cleaning goes beyond the visible drum surface.

In everyday use, owners of pet-heavy homes often find that lint and hair problems improve after a few cycles, especially when they clean the washer’s door seal and drain filter at the same time. The tablet itself is easy to handle, and the monthly routine fits well into household chores. That said, the claims about pet hair are strongest when the tablet is used consistently rather than once in a while. If you expect a single run to fix years of buildup, you may be disappointed. Also, the formula is designed around hot cycles, so you will want to confirm that your LG model’s settings allow a hot wash for this purpose.

Compared with the other picks here, this product is the most specialized. If your main concern is pet fur, it has a clear advantage. If your washer mostly needs general descaling or a basic odor reset, a simpler tablet may serve you just as well at a lower cost per use.

Pros:

  • Large pack that covers roughly a year of monthly cleaning
  • Specifically designed to address pet hair and lint buildup
  • Listed as septic-safe for homes with septic systems
  • No scrubbing required; just add one tablet and run a hot cycle

Cons:

  • Pet-focused positioning may be more than a household without pets needs
  • Results depend on regular monthly use rather than occasional treatments

Verdict: For LG owners who share their home with pets and battle stubborn hair and lint, this is the most targeted option in this lineup. It is a practical, low-effort monthly routine that makes good sense for pet households.

True Fresh Budget-Friendly Tablets for Routine Monthly Care

True Fresh offers a straightforward approach to washer maintenance. The package includes 15 tablets, which is enough for a year of monthly cleaning if you stick to one tablet per cycle. The tablets are described as heavy-duty deep cleaners that break down into a scrubbing powder once they contact water, with the goal of dissolving slowly through the wash cycle so that the tub, drum, and internal channels receive attention.

The listing names LG among the brands the tablets are meant to work with, alongside front-load and top-load machines, including HE models. That makes this a sensible option if you own an LG washer and want a no-frills product. The directions are simple: add water and the tablet to the machine, run a clean or hot cycle, and then wipe the tub with a cloth once the cycle finishes. The wipe-down step is worth keeping, since it lets you check for leftover grime and see how well the cycle worked.

Owners often appreciate the predictable routine. Once a month, you run one cycle, wipe out the tub, and move on. Users who want a basic reset for light odor and scale tend to find this format satisfying. The downside is that the listing offers less detail about its specific ingredients and targeted problem areas than some competitors do. If your washer has a serious odor problem or a heavy film, you may need a second cleaning run or a more aggressive product.

Among these choices, True Fresh is the best value for a general-purpose monthly routine, though it is not the most specialized. It makes more sense as a regular maintenance product than as a rescue treatment for a neglected machine.

Pros:

  • Pack of 15 tablets supports a year of monthly maintenance
  • Listing names LG as a compatible brand, which helps LG owners confirm fit
  • Simple, familiar process with a clear wipe-down step
  • Works with both front-load and top-load machines, including HE models

Cons:

  • Less detail about targeted problems such as pet hair or heavy odor

Verdict: If you want a dependable monthly cleaner for an LG washer without paying for extra features, this is a sensible pick. It handles routine upkeep well, though heavily neglected machines may need more than one treatment.

Renuv Extra-Large Tablets for Heavy Buildup and Unscented Cleaning

Renuv takes a different approach by using fewer, larger tablets. Each one is listed at 40 grams, and the six-tablet pack is described as a six-month supply when used monthly. The brand says a single tablet cleans more than smaller tablets do, which means you do not need to add several at once to get a thorough clean. The formula is described as a time-release effervescent tablet that dissolves slowly, targeting the pump, drum, tub, valve, agitator, filter, and hose.

Two details stand out. First, the tablets are unscented and white. The listing notes that colored tablets can sometimes leave color or scent behind on clothing, so the white version is designed to avoid that issue. Second, the listing names LG, Whirlpool, Samsung, and several other brands as compatible, which gives LG owners a clear reassurance about fit. The product is also positioned for both standard and HE washers.

In practice, the large tablet format appeals to people who want one dependable dose rather than measuring out smaller pieces. Owners who dislike strong fragrance often prefer the unscented approach, since it keeps laundry smelling like your detergent rather than the cleaner. The trade-off is that a six-tablet supply is shorter than some competitors, so frequent users may go through it faster than expected. Also, the listing’s claims about odor and buildup are general, so it is wise to pair the tablet with a regular wipe of the door seal and a drain filter check.

Compared with the budget option above, Renuv costs more per tablet in practice but makes up for it with a stronger, more concentrated single dose. It is a solid choice if your LG washer has built-up residue and you prefer a clean, fragrance-free format.

Pros:

  • Large, time-release tablets that deliver a full dose in one run
  • Unscented white tablets help protect laundry from color or scent transfer
  • Listing names LG among compatible brands
  • Compatible with standard and HE machines

Cons:

  • Six-tablet supply runs out faster than larger packs for frequent cleaners

Verdict: If your LG washer needs a stronger reset and you want an unscented product that will not affect your clothes, Renuv is a dependable choice. It is especially suitable for people who prefer one generous tablet per cycle.

Caspeak Enzyme-Based Tablets for Pet Fur and Persistent Odor

Caspeak combines a general deep-cleaning formula with an enzyme-based approach aimed at pet hair and odor. The listing describes a multi-enzyme complex that targets the fiber chains found in pet and human hair, with the goal of breaking them down so they can be flushed away. It also mentions an odor-control technology and a light, minimal fragrance. The product is described as septic-safe and is positioned for front-load, top-load, and HE washers.

The main appeal here is the combination of hair-focused enzymes and odor control in one tablet. For a household with shedding pets, that combination addresses two of the most common complaints about washers: fur that clings to clothes and a lingering smell inside the drum. The listing recommends monthly use, with one or two tablets per cycle depending on how heavily the machine has built up, so you can adjust the dosage to match your needs.

In routine use, buyers who share their home with animals often find the enzyme focus useful, especially for laundry that picks up fur easily. The light scent is another point in its favor, since it avoids the heavy perfume of some cleaners. The downside is that the listing is more promotional than specific, and it does not fully spell out which LG models have been tested with it. You should also remember that stronger dosing is not always better. Following the recommended amount matters more than adding extra tablets.

Relative to the other products, Caspeak is a good middle-ground choice for people who want more than basic descaling but do not need a pet-only formula. It sits between the broad-purpose options and the pet-focused IWOOFI tablets in terms of specialization.

Pros:

  • Enzyme formula designed to target pet and human hair in the wash
  • Light, minimal fragrance paired with odor-control claims
  • Listed as septic-safe and compatible with front-load, top-load, and HE machines
  • Dosage can be adjusted based on how much buildup your washer has

Cons:

  • Listing is less specific about LG model compatibility than some competitors

Verdict: If you want one product that addresses both pet fur and odor, Caspeak is a practical choice. It works best for households with animals that want a fragrance-light option with a flexible dosage.

iO CLEAN Descaler Tablets for Hard Water and Unscented Upkeep

iO CLEAN focuses on routine maintenance with an emphasis on mineral scale and hard water deposits. The package contains 24 pre-measured tablets, which the listing describes as a one-year supply. Each tablet is placed directly into the drum, and a hot cleaning cycle is run as part of monthly care. The pre-measured format removes guesswork and keeps spills to a minimum, which many people find more convenient than pouring liquid cleaners.

The product is labeled as compatible with HE, front-load, and top-load washers, and the listing notes that it works with both stainless steel and plastic drums. That is useful if you are not sure what your LG drum is made of, since the product is described as suitable for either. The formula is unscented, so it will not add fragrance to your washer or your laundry, which some users prefer for sensitive households.

Buyers in areas with hard water often find descaling tablets like this worthwhile, because mineral scale can gradually affect how a washer performs and how it smells. The main limitation is that the listing focuses more on scale management than on heavy odor or pet hair. If your primary problem is fur or a strong smell, another option on this list may fit better. It is also worth noting that the product should be used on an empty drum, as with all cleaning tablets, to get the intended result.

Compared with the others, iO CLEAN is a clean, unscented maintenance choice with a long supply. It suits people with hard water or those who simply want a steady, no-fuss monthly routine.

Pros:

  • Pre-measured tablets reduce spills and guesswork
  • Unscented formula suits households that avoid added fragrance
  • One-year supply in a 24-count pack
  • Labeled for both stainless steel and plastic drums

Cons:

  • Focus is on scale and routine upkeep rather than heavy odor or pet hair

Verdict: If hard water is your main concern and you want an unscented, low-effort monthly tablet with a long supply, iO CLEAN is a solid pick for an LG washer.

How to Choose the Right Washing Machine Tub Cleaner for Your LG Washer

Identify Your Main Problem Before You Buy

The most useful question to ask is what your washer is actually struggling with. A machine that smells sour after every load has a different problem than one that leaves fine lint on dark clothes or one that gradually produces white crust on the drum. Pet hair, mineral scale, soap scum, and mold-related odor each respond best to slightly different formulas. Some tablets are built around enzymes that target hair, while others emphasize descaling or general deodorizing. Taking a minute to identify your primary issue will help you avoid paying for features you do not need.

Check Compatibility With Your LG Model Type

LG makes both front-load and top-load washers, and some models are HE machines that use less water and low-suds detergent. Most washer cleaner tablets state that they work with front-load, top-load, and HE machines, but it is still worth checking the product listing and your owner’s manual. Some listings name LG directly, which can make the decision easier. Pay attention to whether the tablet is designed for the type of washer you have, and remember that the cleaning process usually calls for an empty drum and a hot or clean cycle.

Think About Dosage and Supply Size

Washer cleaner tablets are typically used once a month for routine maintenance, but the number of tablets in a pack determines how long that routine lasts. A large pack, such as a 24-count or 28-count option, can cover a full year of monthly cleaning, while a six-tablet pack covers six months. Larger individual tablets can deliver a stronger dose per run, so it is worth comparing how many cycles you get from each pack rather than focusing only on the total count. If a product recommends one or two tablets depending on buildup, you can adjust your routine to match how dirty your machine gets.

Consider Fragrance and Tablet Color

Scent is a personal choice, and it matters more than many shoppers expect. Fragranced cleaners can leave a noticeable smell in the drum, and some people find that odor transfers to their clothes. An unscented formula keeps the focus on cleaning rather than perfume. Tablet color also deserves a moment’s thought. Some colored tablets may leave dye or fragrance on fabric, so white or unscented options can be a safer choice for light-colored laundry. If you care about how your clothes smell, this factor can be just as important as the cleaning power.

Look at Ingredients and Septic Compatibility

Many homes with septic systems require products that will not harm the system’s balance. Some tablets in this list are described as septic-safe, which is useful if your home is not connected to a municipal sewer. Read the product description carefully and confirm the details that matter to your household. Enzyme formulas, descaling agents, and effervescent cleaners all work differently, so it helps to understand what each one is designed to do. Whatever you choose, follow the directions closely, since using more product than recommended does not necessarily produce better results.

Plan a Simple Maintenance Routine

Even the best tablet works best when it is part of a regular habit. Many washers benefit from monthly cleaning, along with leaving the door or lid open between loads so the drum can dry, and wiping the door seal regularly. A cleaning tablet is not a substitute for cleaning the lint filter or drain pump, which are areas many owners overlook. Choosing a product you can remember to use every month will do more for your washer than buying the most expensive option and using it only once.

Final Recommendation

For most LG owners who want a straightforward monthly cleaner, the True Fresh 15-pack offers a practical balance of value, compatibility, and simplicity. If you share your home with pets and fight constant lint, the IWOOFI pet-focused tablets are the most targeted choice in this lineup. Renuv is a strong option for heavier buildup and for anyone who wants an unscented white tablet, while Caspeak suits households that want enzyme-based hair control with a light scent. iO CLEAN is the best fit for hard water areas and people who prefer a long-lasting, unscented routine. Match the product to your washer’s most obvious problem, and you will get the most value from your purchase.

Frequently Asked Questions

How often should I clean my LG washer tub with tablets?

Most washer cleaner tablets are designed for monthly use as part of routine maintenance. If your washer shows heavy odor, visible buildup, or more lint than usual, you may need to clean it more often for a short period. Always follow the directions on the package, since dosage and frequency can vary between products.

Can I use these tablets in both front-load and top-load LG washers?

Several of the products in this guide are described as compatible with front-load, top-load, and HE machines. Still, you should check the listing and your LG owner’s manual before use. If your model has specific care guidelines, follow those first.

Should the drum be empty when I use a cleaning tablet?

Yes. The standard directions for these tablets call for placing the tablet into an empty drum before starting a hot or clean cycle. Adding clothes can interfere with how the tablet dissolves and reduce its effectiveness.

Do I still need to wipe the washer after using a tablet?

Wiping the tub or drum after the cycle is a good habit, even though it is not always required. It lets you see what the cleaning cycle loosened and removes any leftover residue. It also helps you spot problem areas, such as the door seal, that may need extra attention.

Are unscented cleaning tablets better for sensitive households?

Unscented products can be a better choice for people who are sensitive to strong smells or who want to avoid fragrance transferring to their clothes. The iO CLEAN and Renuv options in this guide are unscented, while Caspeak uses a light, minimal fragrance. Choose based on your own comfort and laundry habits.

Will a cleaning tablet fix a washer that already smells badly?

A cleaning tablet can help with mild to moderate odor caused by residue and buildup, but it may not solve every problem. If the smell persists after a cycle or two, check the lint filter, drain pump, door seal, and detergent dispenser, since these areas often hold the source of the odor. Persistent smells can also indicate a mechanical issue that needs professional attention.

Are these tablets safe for septic systems?

Some products in this guide, including the IWOOFI and Caspeak tablets, are described as septic-safe in their listings. If your home uses a septic system, check the product details carefully and confirm compatibility before you buy. When in doubt, consult your septic service provider.

Author

  • Emily

    Emily is the editor of YourModernLiving, where she helps readers make informed decisions about home, kitchen, family, and everyday products. She focuses on researching product features, comparing available options, and creating practical buying guides to help readers find products that suit their needs, preferences, and budgets.

Leave a Comment