• August 9, 2025
• Nyla Thompson

How to Refill a Swiffer WetJet Bottle (The Right Way)

If you’ve ever looked at your empty Swiffer WetJet bottle and thought, “There has to be a way to reuse this,” you’re not alone. Many US homeowners refill their bottles to save money, cut down on plastic waste, or use a cleaning solution they trust more than the store refills. While Swiffer designs these bottles as single-use, with the right method, you can safely open, refill, and keep using them without damaging your mop.

Can You Refill a Swiffer WetJet Bottle?

Yes — a Swiffer WetJet bottle can be refilled, but not straight out of the box. The cap is factory-sealed to prevent tampering, which means you’ll need to loosen that seal before your first refill. Once the cap is open, you can pour in your preferred solution just like any other cleaning bottle. Keep in mind that refilling with non-Swiffer liquids may void the product warranty, so it’s best to do this only if you’re comfortable taking responsibility for the results.

Tools and Supplies You’ll Need

Before you start, gather a few basics so the refill process goes smoothly from start to finish:

• An empty Swiffer WetJet bottle – Make sure it’s completely empty and free of old solution.
• Your preferred cleaning liquid – Store-bought floor cleaner or a safe DIY mix (just avoid anything corrosive).
• Hot water – Not boiling, but hot enough to soften the bottle’s cap seal.
• A small towel or rubber jar opener – For better grip when loosening the cap.
• A funnel – Prevents spills and overfilling.

Having these ready before you begin will make the process quicker and reduce the chance of leaks or mess.

How to Open a Swiffer WetJet Bottle

Swiffer caps are designed to be non-removable, but with a little heat and patience, you can open them without breaking the bottle. Here’s how:

1. Heat the Cap – Fill a mug or small bowl with hot (not boiling) water. Place the bottle cap-down in the water for about 60 seconds. The heat softens the plastic seal.
2. Grip and Twist – Wrap the cap in a towel or use a rubber jar opener for extra grip. Twist counterclockwise until it loosens.
3. Check the Seal – If it feels stuck, repeat the heating process. For stubborn caps, alternate heating and twisting until it opens.

Once the cap is removed, you can refill as often as needed without repeating the heating step every time.

How to Refill a Swiffer WetJet Bottle

Refilling your Swiffer WetJet bottle can save money and reduce waste — and it’s easier than it looks. Here’s a simple process to follow:

Step 1: Remove the Cap

If the bottle is still sealed, use the hot water method mentioned earlier to soften the cap’s lock and twist it open.

Step 2: Choose the Right Cleaning Solution

Stick to safe options such as Swiffer’s own solution, diluted floor cleaners, or a mild soap mix. Avoid bleach, ammonia, or oily cleaners that can damage the sprayer or floors.

Step 3: Fill the Bottle

Pour your chosen solution into the bottle, leaving about an inch of space at the top to prevent spills.

Step 4: Secure the Cap

Twist the cap back on tightly. If you removed the locking tabs earlier, it will open and close easily for future refills.

Step 5: Insert and Test

Place the bottle back into the Swiffer WetJet until it clicks into place. Test the spray to make sure it’s flowing smoothly before cleaning.

💡 Tip: Keep a spare bottle on hand so you can switch between solutions for different floors without having to empty and wash each time.

Best Cleaning Solutions to Use in a Refilled Swiffer WetJet

Not every liquid cleaner is safe for your Swiffer or your floors. The goal is to choose a solution that cleans effectively without damaging surfaces or clogging the spray system.

• Store-Bought Swiffer Solution – The safest choice for warranty and compatibility.
• Diluted Floor Cleaners – Products like Bona or Pine-Sol, mixed according to the label’s instructions, work well.
• DIY Mix – A simple blend of warm water and a few drops of mild dish soap is safe for most sealed floors.
• Avoid Harsh Chemicals – Skip bleach, ammonia, or vinegar-heavy solutions if you have hardwood, as these can strip finishes and cause discoloration.

Using the right liquid will keep your Swiffer running smoothly and protect your flooring investment.

Swiffer Power Mop & Other Models – Refill Differences

Not all Swiffer bottles are built the same, so the method you use to refill them can vary depending on the model you own.

• Swiffer WetJet – The classic WetJet bottle has a twist-on cap with locking tabs that can be softened in hot water for removal. Once modified, it’s easy to refill over and over.
• Swiffer Power Mop – Newer Power Mop bottles have a slightly different cap design with tighter locks, making them trickier to open. You might need to soak the cap longer or use a rubber jar opener for extra grip.
• Special Editions & Older Models – Some limited-run or older models have non-removable caps entirely sealed to the bottle. In these cases, aftermarket refillable bottles are often the easiest solution.

💡 Extra Step for Power Mop Users: After refilling, make sure the cap clicks firmly into place before use — even a small misalignment can cause leaks or poor spray performance.

Read More: Swiffer PowerMop vs. WetJet: Which One Should You Pick for Your Home?

Reusable & Refillable Bottle Options

If you’d rather skip the hassle of opening factory-sealed bottles, reusable and refillable Swiffer-compatible bottles are a convenient alternative.

• Third-Party Bottles – Many online retailers sell refillable bottles designed to fit Swiffer WetJet and Power Mop units. They often come with easy-twist caps and leak-proof seals.
• Official Swiffer Reusable Bottles – Swiffer occasionally releases refill-friendly bottles for certain models, though availability can vary.
• DIY Modified Bottles – Some users simply repurpose their original Swiffer bottle by trimming the locking tabs and adding a silicone gasket for a better seal.

💡 Pro Tip: If buying third-party bottles, check that the connection port matches your Swiffer model to avoid compatibility issues.

Safety Tips for Refilling Swiffer Bottles

Refilling your Swiffer bottles is a great way to save money, but the wrong cleaning solution or method can cause damage to your floors — or the mop itself. Keep these safety tips in mind:

• Avoid Harsh Chemicals – Bleach, ammonia, and strong solvents can corrode the sprayer mechanism and may void your warranty.
• Dilute Concentrated Cleaners – If using a store-bought floor cleaner, mix it according to label instructions to prevent streaks or residue buildup.
• Use Model-Safe Solutions – Different Swiffer models may have slightly different spray mechanisms, so stick to solutions safe for hardwood, laminate, or tile depending on your flooring.
• Test Before Full Cleaning – Spray a small section first to check for any reaction or slippery finish.
• Watch for Leaks – After refilling, hold the bottle upright and inspect for drips before inserting it into the mop.

💡 Quick Check: If your Swiffer starts spraying less forcefully after a refill, remove the bottle and re-secure the cap — sometimes it’s just a loose fit.

Read More:

Swiffer Troubleshooting: Common Issues and Easy Fixes

How to Change Batteries in Swiffer Wet Jet

Final Thoughts on Refilling Swiffer Bottles

Refilling your Swiffer WetJet or Power Mop bottle is easier than most people think — and it’s a smart move for your wallet and the planet. With the right method, a safe cleaning solution, and a little maintenance, your mop can perform just as well as it did with the original refills.

Whether you’re using a DIY hack to open the factory bottle, investing in a refillable alternative, or switching to eco-friendly cleaners, the key is to match the solution to your floor type and model. A few minutes of prep can save you multiple trips to the store and help cut down on unnecessary waste.

In short, once you master the refill process, you’ll never feel stuck paying for overpriced, single-use bottles again.