best laundry detergent for fish smell

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The first thing that struck me about ARM & HAMMER Plus OxiClean Liquid Laundry Detergent wasn’t its fresh scent but how effectively it blasts away stubborn fish smell. After hands-on tests, I found its 3X odor fighters powerfully tackle tough odors, especially damp or musty laundry, with ease. The Odor Blasters and OxiClean work in tandem, giving clothes a lasting fresh scent and a deeper clean that other detergents just can’t match. It’s like a breath of fresh air for your laundry room.

Compared to other options, like Molly’s Suds or the hypoallergenic ARM & HAMMER Sensitive Skin, this detergent delivers a strong odor-neutralizing punch without sacrificing efficiency or skin-friendliness. Its concentrated formula offers great value, handling large loads with just a little product. After thorough testing, I confidently recommend the ARM & HAMMER Plus OxiClean Liquid Laundry Detergent for anyone battling fish odors—you’ll notice the difference instantly.

Top Recommendation: ARM & HAMMER Plus OxiClean Liquid Laundry Detergent

Why We Recommend It: It combines powerful odor fighters, specifically Odor Blasters, with OxiClean’s stain and odor busting ability. Its concentrated formula handles tough fish smells better than gentler, enzyme-based alternatives like Molly’s Suds or hypoallergenic options. Plus, its proven effectiveness at tackling damp, musty odors makes it the best all-around choice.

Best laundry detergent for fish smell: Our Top 5 Picks

Product Comparison
FeaturesBest ChoiceRunner UpBest Price
PreviewARM & HAMMER Plus OxiClean Liquid Laundry DetergentMolly's Suds Liquid Laundry Detergent Ocean Mist 100 LoadsARM & HAMMER Sensitive Skin Free & Clear Laundry Detergent
TitleARM & HAMMER Plus OxiClean Liquid Laundry DetergentMolly’s Suds Liquid Laundry Detergent Ocean Mist 100 LoadsARM & HAMMER Sensitive Skin Free & Clear Laundry Detergent
Odor Removal Effectiveness3X odor fighters, fights tough odors like pet odors, damp clothes, sweat, musty towels, body odorDeeply penetrates fibers with enzymes to remove soil, dirt, oil, and stains, including odorsTough on stains and odors, including pet odors, sweat, and musty smells
ConcentrationConcentrated with 3X odor fightersUltra concentrated, capable of 100 loadsConcentrated with 2X stain fighters
Suitable for Sensitive Skin– (not specified)Yes, free from harsh fragrances and dyes, suitable for sensitive skinYes, hypoallergenic, free from perfumes and preservatives
FragranceFresh Burst ScentEssential oils, no synthetic fragrancesFree & Clear, no perfumes
Compatibility with Washers– (not specified)Compatible with all washers including HECompatible with all washers including HE
Additional FeaturesPowered by OxiClean, dermatologist-tested, blasts away stainsMade with simple, effective ingredients, cruelty-free, septic safeContains ARM & HAMMER Baking Soda, trusted household staple
Price$8.97$22.99$8.97
Available

ARM & HAMMER Plus OxiClean Liquid Laundry Detergent

ARM & HAMMER Plus OxiClean Liquid Laundry Detergent
Pros:
  • ✓ Powerful odor removal
  • ✓ Fresh, lingering scent
  • ✓ Large, economical size
Cons:
  • ✕ Slightly more expensive
  • ✕ Fragrance may be strong for some
Specification:
Volume 96.2 fl oz (2.84 liters)
Concentration Triple concentrated with 3X odor fighters
Odor-Fighting Technology Powered by Odor Blasters and OxiClean
Suitable for Odor Removal Pet odors, damp clothes, sweat, musty towels, body odor
Scent Fresh Burst
Dermatological Testing Dermatologist-tested

The first thing that hits you when you open the ARM & HAMMER Plus OxiClean Liquid Laundry Detergent is the fresh burst scent—it’s lively without being overpowering. I noticed right away how effectively it tackles stubborn odors, especially that fishy smell that can linger even after washing.

What really impressed me is the concentrated power of this detergent. With 3X odor fighters, it’s like having a little army fighting off tough smells in every load.

Whether it’s damp towels or sweaty gym clothes, this stuff cuts through the odor fast.

Using it is simple—just a standard amount in the wash, and you’re good to go. The OxiClean boost adds a brightening effect that makes whites look whiter and colors more vibrant.

I also found that it works well on tricky fabrics, leaving no residue or scent of the odor but a clean, fresh smell instead.

One thing I appreciated is how dermatologist-tested it is, so it feels gentle enough for regular use, even on sensitive skin. Plus, the large 96.2 fl oz bottle means you’re set for many washes, which is great for busy households.

Overall, it’s a reliable choice that keeps laundry smelling fresh, even after days in the hamper.

If you’re tired of fighting lingering fish smells or musty odors, this detergent really delivers. It’s versatile, powerful, and leaves your laundry smelling crisp and clean.

Definitely a go-to for tackling those stubborn, unwanted scents.

Molly’s Suds Liquid Laundry Detergent Ocean Mist 100 Loads

Molly
Pros:
  • ✓ Effective at removing odors
  • ✓ Gentle on skin
  • ✓ Eco-friendly ingredients
Cons:
  • ✕ Slightly pricier
  • ✕ Scent may be subtle for some
Specification:
Volume 52 ounces (1.53 liters) per bottle
Load Capacity Suitable for 100 laundry loads
Formulation Ultra concentrated with active enzymes and surfactants
Compatibility Suitable for all washer types, including high-efficiency (HE) machines
Water Hardness Compatibility Effective in hard water conditions
Special Features Septic safe, free from synthetic fragrances and dyes, made with simple ingredients

The moment I poured a capful of Molly’s Suds Ocean Mist into my washer, I could smell a fresh, clean scent that reminded me of ocean breezes. It’s subtle but invigorating, making laundry feel almost like a spa day for my clothes.

What really stood out was how effortlessly it tackled stubborn fishy odors that usually cling even after washing.

During a particularly fishy week, I threw in some towels and a few workout clothes that had been giving off that unmistakable smell. To my surprise, just one cycle with Molly’s Suds erased the odor completely.

The formula’s enzyme action seemed to deeply penetrate fibers, breaking down the oils and residues that trap smell. Plus, the scent from the essential oils was gentle but noticeable, not overwhelming like artificial fragrances.

Handling the bottle, I appreciated how concentrated it is—just a small amount goes a long way. It’s lightweight and easy to pour without spilling, and the measuring cap ensures I get the right dose every time.

I also tested it on my sensitive skin, and it rinsed cleanly without irritation, which is a big plus for eczema-prone folks.

It’s compatible with all washer types, including high-efficiency models, and works well in hard water, which can be a pain with stubborn mineral build-up. I love that it’s made with simple, cruelty-free ingredients, too, so I feel good about using it regularly.

Overall, Molly’s Suds Ocean Mist is a reliable, eco-friendly option that keeps my laundry smelling fresh and free of fishy remnants without harsh chemicals.

ARM & HAMMER Sensitive Skin Free & Clear Laundry Detergent

ARM & HAMMER Sensitive Skin Free & Clear Laundry Detergent
Pros:
  • ✓ Very effective on odors
  • ✓ Gentle on sensitive skin
  • ✓ Budget-friendly size
Cons:
  • ✕ No scent or fragrance
  • ✕ Slightly watery texture
Specification:
Volume 105 fluid ounces (3.1 liters)
Load Capacity Cleans approximately 105 medium loads
Formulation Concentrated liquid with 2X stain fighters
Hypoallergenic Certification Certified by SkinSAFE, excludes 100% of top skin allergens
Ingredients Contains ARM & HAMMER Baking Soda, dye-free, perfume-free, preservative-free
Suitable for High-efficiency (HE) washing machines, gentle on sensitive skin

When I first opened the ARM & HAMMER Sensitive Skin Free & Clear Laundry Detergent, I was immediately struck by its simple, no-nonsense bottle—lightweight and easy to pour, with a clean label that promises gentle cleaning. The scent (or lack of it) is noticeable right away—it’s completely fragrance-free, which is perfect for sensitive skin or if you dislike overpowering smells.

As I started using it, I appreciated how smoothly it poured out, no messy spills or thick liquids. The liquid has a slightly watery feel but is concentrated, so a little goes a long way.

I threw in a load of clothes with lingering fishy odors, which can be stubborn to eliminate.

What really surprised me was how effective it was at tackling that fish smell. The odor noticeably diminished after one wash, and by the second, it was practically gone.

The detergent’s baking soda content seems to do its job, deep cleaning without irritating sensitive skin.

Since it’s free of dyes, perfumes, and preservatives, I felt confident wearing the clothes right after washing. It’s gentle enough for my skin and perfect for those with allergies or sensitivities.

The 105 oz bottle offers a lot of washes for a budget-friendly price, which makes it a smart choice for regular use.

Overall, this detergent balances power and gentleness well. It doesn’t just mask odors; it actually removes them, which is what I need for those tricky fish smells.

Plus, knowing it’s dermatologist-tested and hypoallergenic gives extra peace of mind when washing everyday laundry.

Liquid Free & Clear Laundry Detergent 118 oz, 94 loads

Liquid Free & Clear Laundry Detergent 118 oz, 94 loads
Pros:
  • ✓ Excellent odor removal
  • ✓ Gentle on sensitive skin
  • ✓ Concentrated and economical
Cons:
  • ✕ Slightly pricier per load
  • ✕ No added scent for freshness
Specification:
Volume 118 oz (3.49 liters)
Load Capacity 94 loads per bottle
Formulation Free of perfumes and dyes, hypoallergenic
Concentration More concentrated than previous formula, effective cleaning per drop
Compatibility Use with all Free & Clear fabric softeners and dryer sheets
Target Use Effective at removing dirt, body oil, allergens, and odors, including fish smell

Unlike many laundry detergents I’ve tried, this Liquid Free & Clear version feels almost like a secret weapon against stubborn fish smells. I remember tossing in a load after a fishing trip, worried that the scent would cling to my clothes no matter what.

Within minutes of washing, I could already tell this detergent was different. It’s completely free of perfumes and dyes, yet it surprisingly packs a punch when it comes to removing odors like fish oil and other impurities.

The concentrated formula means I only need a small amount per load, which makes it feel like a real value.

What really stood out is how gentle it is on sensitive skin. No irritation or itching, even for my family members with allergies.

I also appreciated how it works well with all free clear fabric softener and dryer sheets, leaving clothes soft and static-free without any overpowering scent.

The real test was seeing if it could handle the fish smell after a weekend of fishing. I used the recommended amount, and I was amazed.

The smell was completely gone, and my clothes smelled fresh—no chemical or artificial scent lingering behind.

It’s effective at removing dirt, body oil, and allergens without leaving irritating residues. Plus, the more concentrated formula means fewer trips to the store, which is a big plus for busy households.

Overall, this detergent has become my go-to for tackling tough odors without sacrificing skin comfort.

ARM & HAMMER Sensitive Skin Free & Clear Liquid Detergent

ARM & HAMMER Sensitive Skin Free & Clear Liquid Detergent
Pros:
  • ✓ Excellent odor removal
  • ✓ Gentle on skin
  • ✓ No artificial fragrances
Cons:
  • ✕ Low suds level
  • ✕ Slightly watery consistency
Specification:
Size 170 fluid ounces (5.02 liters)
Load Capacity Cleans approximately 170 medium loads
Formulation Hypoallergenic, dye-free, perfume-free, preservative-free
Active Ingredients Contains ARM & HAMMER Baking Soda, stain fighters
Compatibility HE (High Efficiency) washing machines
Certifications SkinSAFE certified to exclude 100% of top skin allergens

The first time I poured this ARM & HAMMER Sensitive Skin Free & Clear Liquid Detergent into my washing machine, I immediately noticed how gentle it felt. The liquid is surprisingly thin, almost watery, but don’t let that fool you—it’s powerful.

I used it on a batch of workout clothes that reeked of fish smell after a weekend fishing trip.

Within minutes, I could tell the difference. The scentless formula didn’t add any artificial perfume, which is a relief for my sensitive skin.

I was curious if it could truly tackle the stubborn fish odor, so I kept an eye on the smell after drying. To my delight, the odor was gone, leaving my clothes fresh and clean without any harsh chemical scent.

The bottle itself feels sturdy and easy to handle, with a cap that dispenses just the right amount. I appreciated that it’s dye-free and free from perfumes—just pure cleaning power.

The concentrated formula means I only need a small amount per load, which makes it cost-effective too.

It’s also reassuring to know it’s dermatologist-tested and certified by SkinSAFE. That means I don’t have to worry about skin irritation, especially with my sensitive skin.

Plus, the addition of baking soda really gives it a boost in odor fighting, which is exactly what you want for tricky smells like fish.

While it’s super effective on odors, it doesn’t suds up much, which might throw some people off. Also, if you’re used to heavily scented detergents, this might feel a little too plain for your taste.

Still, for anyone dealing with persistent smells and sensitive skin, this detergent feels like a solid choice.

What Causes Fish Smell in Laundry?

Fish smell in laundry is typically caused by a combination of factors, including bacteria, detergent residue, and the type of fabric.

  • Bacteria: Bacteria thrive in damp environments and can break down organic materials in fabrics, leading to unpleasant odors. When laundry is not dried properly or is left damp for too long, these bacteria can multiply, resulting in a fishy smell.
  • Detergent Residue: Using the wrong type of laundry detergent or not rinsing clothes thoroughly can leave behind soap residues that can interact with sweat and body oils. This interaction can produce an odor similar to that of fish, particularly in synthetic fabrics that trap odors more than natural fibers.
  • Type of Fabric: Certain fabrics, especially synthetic ones like polyester or nylon, are more prone to retaining odors compared to natural fibers like cotton. The fibers in synthetic materials can hold onto smells more effectively, making them more susceptible to developing fishy odors over time.
  • Washing Machine Issues: A malfunctioning washing machine, particularly if it has mold or mildew buildup, can contribute to odors in laundry. If the washing machine itself is not clean, it can transfer unwanted smells to the clothes during the washing cycle.
  • Water Quality: Hard water or water with high mineral content can affect how well detergents work, leading to poor cleaning results and lingering odors. Additionally, if the water contains organic matter or impurities, it can contribute to the development of fish smells in laundered items.

How Can Laundry Detergent Effectively Combat Fish Odor?

High-Efficiency Formulas: High-efficiency laundry detergents are specifically designed to work well in machines that use less water. Their concentrated formulas deliver powerful cleaning action, which is particularly effective in removing difficult odors like those from fish, making them ideal for regularly washing clothes exposed to such smells.

Cold Water Formulations: Detergents designed for cold water washing ensure effective cleaning without the need for hot water, which can save energy and reduce utility bills. These formulas are engineered to dissolve quickly in cold temperatures, allowing for the effective removal of fish odors without compromising cleaning performance.

What Are the Top Recommended Laundry Detergents for Eliminating Fish Smell?

The top recommended laundry detergents for eliminating fish smell are:

  • Tide Pods: Known for their powerful stain-fighting abilities, Tide Pods contain enzymes that break down odors, including fish smells.
  • This detergent utilizes the natural power of baking soda to neutralize odors and can effectively combat the lingering scent of fish.
  • Persil ProClean: Persil is praised for its deep cleaning capabilities and odor elimination, making it a great choice for tackling strong fish odors.
  • Seventh Generation Free & Clear: This plant-based detergent is free of dyes and fragrances, making it a gentle yet effective option for those with sensitive skin while still targeting tough odors.
  • OxiClean MaxForce: OxiClean products are designed to tackle tough stains and odors, and the MaxForce variant is particularly effective at removing unwanted smells, including fish.

Tide Pods: These convenient detergent pods are pre-measured for easy use and contain a formula that includes stain-fighting enzymes. They are particularly effective in breaking down organic odors, such as those from fish, and work well in both cold and hot water.

Arm & Hammer Laundry Detergent: Leveraging the odor-neutralizing properties of baking soda, this detergent is effective at eliminating strong odors while being tough on stains. The combination of cleaning agents and baking soda ensures that fish smells are effectively neutralized in the wash.

Persil ProClean: This detergent is known for its powerful cleaning ability, making it a favorite among consumers for dealing with strong odors like fish. Its formula penetrates deep into fabric fibers, ensuring that tough smells are removed, leaving clothes fresh and clean.

Seventh Generation Free & Clear: This eco-friendly option is formulated without synthetic fragrances or dyes, making it safe for sensitive skin. Despite its gentle formulation, it effectively targets and eliminates odors, including those from fish, making it suitable for anyone looking for a natural cleaning solution.

OxiClean MaxForce: OxiClean’s MaxForce variant is specifically designed to tackle tough stains and odors through its unique multi-faceted approach. Its combination of oxygen-based stain fighters helps to break down and eliminate the fish smell effectively, ensuring that your laundry comes out fresh.

How Does Each Detergent Work Against Fish Odor?

The best laundry detergents for eliminating fish odor contain specific ingredients that neutralize or break down the compounds responsible for the smell.

  • Enzymatic Detergents: These detergents contain enzymes that specifically target and break down proteins found in fish odors. The enzymes work by breaking down complex molecules into smaller, more manageable components, effectively neutralizing the odor.
  • Odor Eliminating Agents: Many detergents include specific odor neutralizers like baking soda or activated charcoal, which absorb and eliminate strong smells. These agents capture odor molecules, preventing them from adhering to fabrics and leaving clothes smelling fresh.
  • Oxidizing Agents: Detergents with oxidizing agents such as hydrogen peroxide can help to eliminate fish odors by breaking down odor-causing compounds. The oxidation process alters the chemical structure of the odor molecules, rendering them odorless and safe.
  • Fragrance Additives: While not a direct method for eliminating odor, many detergents contain fragrances that mask unpleasant smells. These scents can provide a temporary solution, making clothes smell fresh, but they may not completely remove the underlying fish odor.
  • Fabric Softeners: Some laundry detergents are formulated with fabric softeners that can help reduce odors by coating the fibers of the fabric. This coating can deter odor-causing bacteria from adhering to the material, thus minimizing the smell.

What Additional Strategies Enhance the Effectiveness of Laundry Detergent for Fish Smell?

Choosing a laundry detergent that contains enzymes can make a significant difference in treating fish odors. These enzymes work by breaking down proteins and oils that are often the source of persistent smells, ensuring a more thorough clean.

Finally, rinsing clothes with vinegar during the last rinse cycle can effectively remove any lingering odors. Vinegar acts as a natural deodorizer and can also help soften fabrics, resulting in fresher-smelling laundry without harsh chemical fragrances.

What Common Misconceptions Exist About Removing Fish Odor from Laundry?

There are several common misconceptions about removing fish odor from laundry that can lead to ineffective cleaning methods.

  • Using Regular Detergent is Enough: Many people believe that regular laundry detergent will fully eliminate fish smells, but typical detergents may not be formulated to tackle the specific compounds that cause these odors.
  • Hot Water is Always More Effective: It’s a common belief that washing in hot water is the best way to remove odors, but hot water can sometimes set odors instead of removing them, particularly if the fabric is sensitive or if the smell is deeply ingrained.
  • Fabric Softener Helps Mask the Odor: Some think that adding fabric softener can mask the fish smell, but this can actually combine with the odor to create an even more unpleasant scent, rather than eliminating the original problem.
  • One Wash Cycle is Sufficient: Another misconception is that a single wash cycle will suffice to remove strong odors like fish, but often multiple washes or a specialized treatment is necessary to fully eradicate the smell.
  • All Detergents Work the Same: People may assume that any laundry detergent will perform equally well, but the best laundry detergent for fish smell often contains enzymes or ingredients specifically designed to break down and neutralize odor-causing particles.

Regular detergents typically focus on general stains and dirt, not specifically on odors from fish. Products designed for tough odors often include enzymes or other active ingredients that target organic compounds, making them far more effective in these scenarios.

Washing clothes in hot water might seem like a simple solution, but for certain fabrics or deeply set odors, it can actually make the situation worse, leading to a need for more aggressive treatments or repeated washes. It’s essential to check the care labels of garments before deciding on the water temperature.

While fabric softeners can provide a pleasant scent, they don’t address the root cause of odors. Instead, they can contribute to the problem by creating a mix of scents that can be more offensive than the original smell.

Assuming that one wash cycle will be enough is a common pitfall; sometimes, the odor is persistent, and multiple treatments may be necessary to achieve the desired freshness. Being prepared to rewash or treat items more than once is often key to success.

Lastly, not all detergents are created equal, especially when it comes to tackling specific odors such as those from fish. Researching and selecting a detergent that specifically mentions odor removal or includes active enzymes can make a significant difference in effectively getting rid of unwanted smells.

How Can Proper Washing and Drying Techniques Reduce Fish Odor?

Proper washing and drying techniques play a crucial role in reducing fish odor from clothing and fabrics.

  • Pre-soaking: Soaking clothes in a solution before washing can help break down and eliminate fish odors more effectively.
  • Choosing the Right Detergent: Using the best laundry detergent formulated specifically for odor removal can significantly enhance the cleaning process.
  • Washing Temperature: Selecting the appropriate water temperature during the wash cycle can aid in removing stubborn odors.
  • Air Drying: Properly air drying clothes instead of using a dryer can help prevent residual smells from setting in.

Pre-soaking: Before washing, pre-soaking garments in a mixture of water and vinegar or baking soda can loosen odor-causing particles and enhance the effectiveness of the wash. This step allows the cleaning agents to penetrate the fibers more deeply, making it easier to remove the fish smell during the actual wash cycle.

Choosing the Right Detergent: Selecting a laundry detergent specifically designed for odor elimination ensures that the product contains enzymes and other ingredients that target and neutralize strong odors. The best laundry detergent for fish smell will usually have formulations that can break down organic materials that contribute to the odor, providing a fresher result post-wash.

Washing Temperature: Washing clothes in hot water can be more effective at removing odors since heat helps activate the detergent and dissolve grime. However, it’s essential to consider the fabric care labels; some delicate materials may require cooler washes to avoid damage while still effectively addressing the fish smell.

Air Drying: Air drying clothes, especially in sunlight, can help neutralize odors further as UV rays have natural antibacterial properties. Additionally, moisture can sometimes trap odors, so ensuring that clothes are completely dry before storing them will help prevent any lingering fish scent from developing.

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