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BestReviews spends thousands of hours researching, analyzing, and testing products to recommend the best picks for most consumers. We only make money if you purchase a product through our links, and all opinions about the products are our own. Read more  
BestReviews spends thousands of hours researching, analyzing, and testing products to recommend the best picks for most consumers. We only make money if you purchase a product through our links, and all opinions about the products are our own. Read more  
BestReviews spends thousands of hours researching, analyzing, and testing products to recommend the best picks for most consumers. We buy all products with our own funds, and we never accept free products from manufacturers.Read more 
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Pros
Cons
Best of the Best
Bissell DeepClean Pro 2X Deep Cleaning Concentrated Carpet Shampoo
Bissell
DeepClean Pro 2X Deep Cleaning Concentrated Carpet Shampoo
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Best Scent
Bottom Line

A highly reputable product that our cleaning expert likes for its professional-level results on both carpet and furniture.

Pros

Top choice by longtime carpet cleaning consumers. Scotchgard protection keeps carpets stain-resistant. Concentrate twice as powerful as other leading formulas. EPA evaluated as a Safer Choice for pets and families.

Cons

Expensive. Only for upright deep-cleaning machines. Better results when used with a Bissell machine.

Best Bang for the Buck
Nature's Miracle Stain and Odor Remover Carpet Shampoo
Nature's Miracle
Stain and Odor Remover Carpet Shampoo
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Customer Favorite
Bottom Line

This product uses bio-enzymatic technology to "eat away" odor and stains.

Pros

Inexpensive. Highly rated by pet owners for removal of cat and dog urine and odor. Pro-tip: Shake the bottle before use to activate the enzymes. Usable either on its own or in a carpet cleaner.

Cons

Product requires patience. Odor increases for 24-48 hours as enzymes work. For some, this ammonia-like smell is intolerable and does not dissipate.

Carpet Miracle Carpet Cleaner and Deodorizer Solution
Carpet Miracle
Carpet Cleaner and Deodorizer Solution
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Most Eco-friendly
Bottom Line

A "miracle" product for pet owners; earns our expert's praise for its essential oil scent.

Pros

Users who have tried everything for urine, vomit, and other pet accidents claim their search is over after discovering this solution. Versatile use for both carpet cleaners and spot treatment. Safe for pets and children.

Cons

Expensive but well worth the price for many. Though not harmful, the minty scent is too strong for some. Not recommended to the very fragrance-sensitive.

Puracy Natural Carpet Detergent
Puracy
Natural Carpet Detergent
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Most Versatile
Bottom Line

Plant-based and nontoxic, it cleans as well as chemical cleaners without leaving an irritating scent; earns our expert's praise.

Pros

Exceeds expectations of odor and stain removal for a green cleaner. Users with fragrance sensitivity enjoy the light, fresh scent. Non-harmful and safe for pets and children. Doubles as a upholstery cleaner.

Cons

Higher price point but a little goes a long way. We recommend using less concentrate than indicated when using a carpet cleaner because this product tends to foam amply.

Hoover Renewal Deep Cleaning Carpet Shampoo
Hoover
Renewal Deep Cleaning Carpet Shampoo
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Fresh & Effective
Bottom Line

Customers are pleased by the effectiveness and subtle, fresh scent of this Hoover cleaning solution.

Pros

Fresh linen scent. Designed to renew and revitalize carpet while cleaning. Safe to use on a majority of carpet fabrics. Can handle old, extremely stubborn stains. Pet-safe. Works on upholstery and car interiors as well.

Cons

Not hypoallergenic. Best results with separate stain treatment.

HOW WE TESTED

We recommend these products based on an intensive research process that's designed to cut through the noise and find the top products in this space. Guided by experts, we spend hours looking into the factors that matter, to bring you these selections.

56
Models
Considered
210
Consumers
Consulted
8
Hours
Researched
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Buying guide for Best carpet cleaning solutions

Carpets get mucked up for a variety of reasons – foot traffic, pet accidents, spills, children – and the number one way to remove these stains is a carpet cleaning machine. You can either own or rent these cleaners to keep your carpet fresh, but they simply won’t work without a carpet cleaning solution.

When shampooing your carpet, the solution you use in your cleaner is more important than you might think. Budget-minded folks may try to cut corners on the carpet cleaning solution by using a cheaper brand or using less than the recommended amount, but if you want your carpet to get clean and be stain- and odor-free, you need to use the right amount of the right solution.

There are quite a few varieties on the market, so choosing the best one for your needs can be tough. Your preference for a strong or mild scent is a factor, or you might need one that’s safe for pets and/or children. Whatever your need, we’ve got you covered. Take a look at our top recommendations if you’re ready to buy, or read our shopping guide below for a deeper dive into all you need to know about carpet cleaning solution.

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It’s recommended that you shampoo carpets once a year, minimum. However, the lighter the carpet color, the more frequently it needs to be cleaned.

Key considerations

How carpet cleaning solution works

Carpet cleaning solution is designed to be used with a carpet cleaning machine to yield professional-grade results without having to hire someone to do the (often costly) job for you. These machines have a tank in which to mix the solution with water or a separate reservoir to hold the solution. Both the water and solution come out the brush head as you move the unit over the carpet in a vacuuming motion. Often the solution lathers like shampoo, which is why cleaners are also referred to as carpet “shampooers.”

Expert tips
Know your cleaning job prior to buying a solution. For example, if you need to clean upholstery, you want to choose a solution intended for upholstery.
BestReviews Cleaning Expert

Types

Carpet cleaning solution comes in three formulas.

  • Traditional: Conventional carpet cleaning solution often contains chemicals to effectively clean carpets. These formulas tend to come from major brands and are designed for use with the company’s carpet cleaning machines. These powerful detergents can leave behind a strong artificial scent that isn’t ideal for those who are sensitive to fragrance. However, some brands are shifting to safer, less toxic, and more biodegradable ingredients. Though not the greenest option on the market, they are markedly safer for pets, children, and the environment.

  • Enzymatic: This type of cleaning solution utilizes enzymes to “eat away” at stains and odor. Enzymes are biological compounds that break down organic matter. They work particularly well on pet messes while also being safe for pets and the environment. Another bonus is that they can be found at entry-level prices, unlike other green products. A drawback is that enzymes require patience because the solution must be left to dry completely in order to work effectively, and sometimes the cleaner emits a smell that gets worse before it gets better.

  • Green: This type of carpet cleaning solution is made from nontoxic and often plant-based ingredients. The formulas contain no harsh chemicals and the scents tend to be less of an irritant, if not hypoallergenic. Green carpet cleaning solution is safe for the entire household, including pets. However, these formulas tend to cost much more than traditional detergents.

Carpet cleaning solution features

Concentration

Similar to laundry detergent, carpet cleaning solution comes in formulas of various concentrations, typically double the strength, meaning you use half the amount for the same result. The biggest benefit of a concentrated solution is that you get more bang for your buck because the bottle lasts longer. The only drawback is that you have to be careful not to use more than the recommended amount or your machine could produce too much foam.

Odor remover/deodorizer

In tandem with stain-removing properties, a lot of the formulas on the market also come with odor-removing ingredients. A solution that contains enzymes is particularly useful for eliminating odors because it actually breaks down the odor-causing particles rather than mask them with scent.

Expert TIp
Use the exact amount of carpet cleaning solution that the directions call for. If you add in more than the recommended amount, you could end up with a soapy mess.
BestReviews Cleaning Expert

Pet

Some carpet cleaning solution is marketed as better for households with pets. However, a high-quality product should work just as effectively on pet stains as other stains whether it’s specified for pets or not. You might not need to spend the extra bucks on a pet-formulated solution.

Upholstery

An added benefit of some formulas is that they can be used to clean water-safe upholstery. Dilute the solution in a bucket of warm water and use either a cloth or an upholstery brush to clean rugs, couches, curtains, car interiors, or other fabric upholstery.

Spot treatment

Some solution also works to pretreat stains. Spot-clean by hand following the instructions on the container.

Scent

The strength and type of scent vary with these products. Some consumers prefer the fragrance offered by traditional detergents, which they associate with a “clean” carpet. Other people prefer a minimal scent, especially those with a sensitivity to fragrance. Green products tend to offer milder scents that are less likely to trigger allergic reactions.

Expert TIp
Enzymatic cleaners are better for those cleaning urine or urine stains because they help deodorize and disinfect your carpet and upholstery.
BestReviews Cleaning Expert

Carpet cleaning solution prices

There are a few factors that determine the price of a carpet cleaning solution: bottle size (which can range from 25 ounces to a gallon), concentration, and type.

Traditional

These detergents are priced from $7 to $25, although a lot of them have double the concentration, so you should factor that into the price.

Enzymatic

These formulas can be found at a bargain price of $7 to $20 for a gallon.

Green

These tend to be the priciest at $15 to $30 for a bottle of 25 or 32 ounces.

Tips

  • Vacuum the carpet first. Before using a cleaner, it’s a good idea to vacuum the carpet to remove debris and pet hair.

  • Test a small patch of your carpet for colorfastness. Do this before using the cleaning solution on the whole carpet.

  • Shake enzymatic cleaner before using. If using a carpet cleaning solution that contains enzymes, always shake the bottle first to activate the enzymes.

  • Rinse the carpet with water. After cleaning your carpet using the carpet cleaning solution and machine, make another pass over it with just water to make sure all the detergent is rinsed out of the carpet fibers.

  • Treat stains as soon as they happen or within the first few days. This gives you the best chance at removing them. Knowing how to clean and pretreat stains will help you get the most out of your carpet cleaner and the solution you use.
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Harmful chemicals found in some types of commercial carpet cleaning solution include formaldehyde, pesticides, acid, and acetone. Carpet cleaning can release a toxic vapor in the air your family breathes, so protect your household by choosing nontoxic products.

FAQ

Q. My carpet cleaner specifies using its brand of solution. Can I use other brands with it?

A. Yes and no. A number of machines specify in the instructions that the policy is invalidated if you don’t use its solution with its cleaner. However, they only last a few years, so you’re free after that to change formula as long as it’s designed for use in a carpet cleaning machine.

Q. My cleaner has a separate compartment for detergent and I’m using a concentrated solution. Do I need to dilute it first?

A. If you’re using a cleaner that doesn’t have a single tank for water plus solution, we’d recommend diluting the concentrate one part detergent to four parts water. In tanks that have a detergent line marked, you’ll also need to adjust the amount. We suggest contacting the manufacturer or looking on its website to find out how much concentrate to use.

Q. Do I put hot or cold water in my cleaner?

A. Hot water speeds up chemical processes and also helps dissolve dirt, so we recommend using hot water with detergent carpet cleaning solution. Please note that if you’re using a cold water extraction cleaner, only use cold water as instructed.

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