Mild soap and water handle most dirt on outdoor cushions, but mildew stains and ground-in grime often need a dedicated cleaner. The most important difference between these products is chemistry: some use bleach, which can strip color from printed and yarn-dyed fabrics, while others are oxygen-based or chlorine-free.
We compared cleaners sold for outdoor fabric on formula, bleach content, the fabrics each maker approves, and directions for use. If your cushions are past saving, see Best Outdoor Cushions, or browse the Outdoor Cushions category.
Our Top Picks
| Pick | Product |
|---|---|
| Best Overall | Iosso Mold & Mildew Stain Remover |
| Best for Acrylic Fabrics | STAR BRITE Outdoor Collection Mildew Stain Remover |
| Best for Sunbrella Owners | Sunbrella Renew Mold & Mildew Stain Remover |
| Best for Spray | POFL Outdoor Fabric & Furniture Cleaner |
| Best Value | Carbona Outdoor Cleaner with Built-In Brush |
| Best for Made | AL-NEW Patio Cushion Cleaner |
Pros
- Chlorine-free
- Concentrate goes a long way
- Works on fabric and vinyl
Cons
- Needs mixing
- Can need repeat treatment on old stains
- Listing gives two package sizes (12 oz and 16.9 fl oz)
Iosso's mold and mildew stain remover is a non-chlorine powder concentrate that you mix with water. Iosso says the 12 ounce powder makes up to 3 gallons of solution and is meant to lift mildew, algae, bird droppings and sap from cushions, awnings, boat covers and vinyl while helping protect colors when used as directed. Because it is chlorine-free, it is a safer first step for fabrics whose makers do not allow bleach.
Amazon rating: not available in our product data.
Pros
- No mixing
- Maker approves acrylic fabrics
- Works on vinyl and hard surfaces too
Cons
- Contains bleach
- Check colorfastness first
- Not for fabrics whose maker forbids bleach
STAR BRITE's mildew stain remover is a ready-to-use spray with what the maker calls buffered-bleach technology. STAR BRITE says it is safe on marine and outdoor upholstery and outdoor acrylic fabrics including Sunbrella, and that it will not harm stitching. You spray, wait until the stain fades, then rinse. STAR BRITE asks users to check colorfastness on the fabric first.
Amazon rating: not available in our product data.
Pros
- Made by the fabric maker
- Foam setting for spot work
- Clear compatibility statement
Cons
- Sunbrella fabric only
- Contains bleach
- Corrosive, per maker
Sunbrella Renew is the fabric maker's own mildew stain remover. It contains bleach and comes with a 2-in-1 nozzle that switches between foam for spots and spray for larger areas. Sunbrella states plainly that it is for Sunbrella fabrics only and is corrosive, so it may damage or discolor other materials.
Amazon rating: not available in our product data.
A no-scrub spray for cushions, sling seats and awnings: rinse, spray, wait about ten minutes, then rinse again. POFL does not list the active ingredients, so check the label for bleach before using it on colored fabric.
Amazon rating: not available in our product data.
An oxygen-based spot cleaner with a sponge and bristle applicator in the cap. Carbona says it is chlorine bleach-free and safe around plants and grass.
Amazon rating: not available in our product data.
A US-made cleaner for cushions, awnings and furniture covers. The listing gives few details and points to the care instructions on the bottle.
Amazon rating: not available in our product data.
All Products Compared
| Product | Best For | Formula | Bleach | Size | Best Fabric Match |
|---|---|---|---|---|---|
| Iosso Mold & Mildew Stain Remover | Best Overall | Powder concentrate | Non-chlorine | Makes up to 3 gal | Most outdoor fabrics, vinyl |
| STAR BRITE Outdoor Collection Mildew Stain Remover | Best for Acrylic Fabrics | Ready-to-spray | Buffered bleach | 32 fl oz | Outdoor acrylic, vinyl |
| Sunbrella Renew Mold & Mildew Stain Remover | Best for Sunbrella Owners | Ready-to-spray, foam or spray nozzle | Contains bleach | 32 fl oz | Sunbrella fabric only |
| POFL Outdoor Fabric & Furniture Cleaner | Best Spray and Rinse | Ready-to-spray | Not stated | 25.36 fl oz | Cushions, sling, mesh, canvas |
| Carbona Outdoor Cleaner with Built-In Brush | Best Spot Cleaner | Oxygen-based foam | Chlorine bleach-free | 22 fl oz | Rugs, covers, umbrellas |
| AL-NEW Patio Cushion Cleaner | Best Made in USA | Ready-to-use | Not stated | 32 fl oz | Cushions, awnings, covers |
Top 3 Outdoor Cushion Cleaners Reviewed
#1 Iosso Mold & Mildew Stain Remover: Best Overall
Why We Picked It
Iosso's mold and mildew stain remover is a non-chlorine powder concentrate that you mix with water. Iosso says the 12 ounce powder makes up to 3 gallons of solution and is meant to lift mildew, algae, bird droppings and sap from cushions, awnings, boat covers and vinyl while helping protect colors when used as directed. Because it is chlorine-free, it is a safer first step for fabrics whose makers do not allow bleach.
Key Specifications
- Amazon rating: not available in our product data
- Formula: non-chlorine powder concentrate
- Yield: up to 3 gallons of solution (maker)
- Coverage: about 150 sq ft per gallon (maker)
- Uses: cushions, awnings, tents, boat covers, vinyl
- Apply: sprayer, sponge or brush, as directed
| Pros | Cons |
|---|---|
| Chlorine-free | Needs mixing |
| Concentrate goes a long way | Can need repeat treatment on old stains |
| Works on fabric and vinyl | Listing gives two package sizes (12 oz and 16.9 fl oz) |
Best For
Printed or polyester cushions whose care label rules out bleach.
Who Should Skip It
Shoppers who want a ready-to-spray bottle.
Verdict
The safest broad-use mildew remover here, and economical once mixed.
Iosso Mold & Mildew Stain Remover
#2 STAR BRITE Outdoor Collection Mildew Stain Remover: Best for Acrylic Fabrics
Why We Picked It
STAR BRITE's mildew stain remover is a ready-to-use spray with what the maker calls buffered-bleach technology. STAR BRITE says it is safe on marine and outdoor upholstery and outdoor acrylic fabrics including Sunbrella, and that it will not harm stitching. You spray, wait until the stain fades, then rinse. STAR BRITE asks users to check colorfastness on the fabric first.
Key Specifications
- Amazon rating: not available in our product data
- Formula: ready-to-spray, high-alkaline
- Bleach: buffered bleach (maker)
- Size: 32 fl oz
- Fabrics: outdoor acrylic including Sunbrella, vinyl (maker)
- Use: spray, wait, rinse
| Pros | Cons |
|---|---|
| No mixing | Contains bleach |
| Maker approves acrylic fabrics | Check colorfastness first |
| Works on vinyl and hard surfaces too | Not for fabrics whose maker forbids bleach |
Best For
Mildew on solution-dyed acrylic cushions.
Who Should Skip It
Printed polyester and cotton-blend cushions.
Verdict
A fast bleach-based option for acrylic fabrics that allow it.
STAR BRITE Outdoor Collection Mildew Stain Remover
#3 Sunbrella Renew Mold & Mildew Stain Remover: Best for Sunbrella Owners
Why We Picked It
Sunbrella Renew is the fabric maker's own mildew stain remover. It contains bleach and comes with a 2-in-1 nozzle that switches between foam for spots and spray for larger areas. Sunbrella states plainly that it is for Sunbrella fabrics only and is corrosive, so it may damage or discolor other materials.
Key Specifications
- Amazon rating: not available in our product data
- Formula: ready-to-use, bleach based
- Nozzle: foam or spray
- Size: 32 fl oz
- Fabrics: Sunbrella only (maker)
- Warning: corrosive, may damage non-Sunbrella fabrics (maker)
| Pros | Cons |
|---|---|
| Made by the fabric maker | Sunbrella fabric only |
| Foam setting for spot work | Contains bleach |
| Clear compatibility statement | Corrosive, per maker |
Best For
Owners of genuine Sunbrella cushions.
Who Should Skip It
Anyone unsure what fabric their cushions use.
Verdict
The right choice for Sunbrella, and the wrong one for anything else.
Sunbrella Renew Mold & Mildew Stain Remover
Also on Our List
- POFL Outdoor Fabric & Furniture Cleaner (Best Spray and Rinse): A no-scrub spray for cushions, sling seats and awnings: rinse, spray, wait about ten minutes, then rinse again. POFL does not list the active ingredients, so check the label for bleach before using it on colored fabric.
- Carbona Outdoor Cleaner with Built-In Brush (Best Spot Cleaner): An oxygen-based spot cleaner with a sponge and bristle applicator in the cap. Carbona says it is chlorine bleach-free and safe around plants and grass.
- AL-NEW Patio Cushion Cleaner (Best Made in USA): A US-made cleaner for cushions, awnings and furniture covers. The listing gives few details and points to the care instructions on the bottle.
How to Choose an Outdoor Cushion Cleaner
Check the Fabric First
Your cushion's care label decides what you can use. Solution-dyed acrylic such as Sunbrella usually tolerates the bleach solutions its maker approves. Printed polyester and blends can lose color with bleach, so start with a chlorine-free cleaner.
Bleach or Chlorine-Free
Bleach-based products work fast on mildew stains but can fade color and weaken some coatings. Chlorine-free and oxygen-based cleaners are gentler and may need a second round on old stains.
Safety
Follow each product's label directions and warnings, work outdoors, and wear gloves. Never mix bleach-based cleaners with ammonia or other cleaners. Try any cleaner on a hidden spot first, rinse thoroughly, and let cushions dry completely before use or storage.
How We Evaluate Outdoor Cushion Cleaners
For this guide we compared cleaners sold for outdoor fabric on formula, bleach content, the fabrics each maker approves, and directions for use. We read each maker's label claims and left out products made only for carpets, decks or house siding. Most listings had no rating data in our product feed, so ratings did not decide the order. We did not use these cleaners ourselves, every claim comes from the maker, and we never promise that a stain will come out.
Variants of one listing count as a single product, and we would rather list a few strong picks than pad the list. Our full process is on the How We Review page.
FAQ
Can I use bleach on outdoor cushions?
Only if the fabric maker allows it. Some solution-dyed acrylic makers publish bleach instructions, but bleach can fade printed and polyester fabrics.
What removes mildew from outdoor cushions?
Start with mild soap and water, then a mildew cleaner approved for your fabric. Drying cushions fully afterward matters as much as the cleaner.
Do I need to rinse after using a cushion cleaner?
Most of these products tell you to rinse thoroughly. Leftover cleaner can attract dirt or affect the fabric.
Final Verdict
Iosso is our top pick because its chlorine-free concentrate suits the widest range of fabrics. STAR BRITE is a fast bleach-based option for acrylic, and Sunbrella Renew is made for Sunbrella fabric only.
POFL is a no-scrub spray, Carbona is a chlorine bleach-free spot cleaner, and AL-NEW is a simple US-made option.
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