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2-in-1 32 -fl oz Concentrated Moss Algae Cleaner

Ratings & Reviews for BioAdvanced 2-in-1 32 -fl oz Concentrated Moss Algae Cleaner

3.9
608
Review
 3.9 out of 5
608 Reviews


57% Recommend this product

Ratings may include incentivized customer reviews.

What Customers Are Saying

The product effectively kills moss and algae on various outdoor surfaces, with many customers reporting quick results within hours or days. It is easy to use, just requiring attachment to a hose for spraying. The product is selective, targeting only the moss and algae without harming surrounding plants or grass. However, some customers did not see the expected results, with the moss or algae remaining even after repeated applications. The product's cleaning ability was also criticized by a few users. Additionally, the coverage area per bottle was found to be limited, necessitating multiple purchases for larger areas.

Customer review summary generated by AI, including incentivized reviews.
608 Customer Reviews

Buy it

Would Recommend

Easy to use.

February 11, 2026
Verified Purchaser
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Response from Bayer Advanced Customer Care

Terrific! Thank you for sharing your positive experience with BioAdvanced 2 in 1 Moss & Algae Killer! -Madison Read More

Bayer Advanced Customer CareFebruary 11, 2026

BayerAdvanced

This product did not work on a small amount of mos

Would Not Recommend

Nothing.

February 6, 2026
Verified Purchaser
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Response from Bayer Advanced Customer Care

That is very disappointing to hear, Jerry, and I can understand why you'd be frustrated with this outcome. We'd like to see what we can do to...

Bayer Advanced Customer CareFebruary 6, 2026

BayerAdvanced

See above

Would Not Recommend

Total waste of money. Does not clean at all.

November 12, 2025
Verified Purchaser
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Response from Bayer Advanced Customer Care

I'm sorry to hear you did not get the expected results with BioAdvanced 2 in 1 Moss & Algae Killer & Cleaner. Please reach out to our Con...

Bayer Advanced Customer CareNovember 12, 2025

BayerAdvanced

Works but not as promised

Would Recommend

I used this product on my roof. It worked well and got rid of the greenish yellow stain (lichen?) I had on my roof. The product does not cover much area. Also, the product was supposed to protect for a year but the growth returned in less than 4 months. Low area coverage and frequent application make this product very very expensive.

November 2, 2025
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Response from Bayer Advanced Customer Care

I'm sorry to hear you were not completely satisfied with BioAdvanced 2 in 1 Moss & Algae Killer & Cleaner. While it is effective in killi...

Bayer Advanced Customer CareNovember 3, 2025

BayerAdvanced

Don’t bother

No results. Waste of money

November 1, 2025
Verified Purchaser
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Response from Bayer Advanced Customer Care

That is very disappointing to hear, and I can understand why you'd be frustrated with this outcome. We'd like to see what we can do to help. ...

Bayer Advanced Customer CareNovember 3, 2025

BayerAdvanced

Poor

Would Not Recommend

Did not remove any moss at all. Terrible product.

October 15, 2025
Verified Purchaser
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Response from Bayer Advanced Customer Care

That is very disappointing to hear, and I can understand why you'd be frustrated with this outcome. We'd like to see what we can do to help. ...

Bayer Advanced Customer CareOctober 15, 2025

BayerAdvanced

Not a lot of liquid in the bottle to do the job

Easy to use

October 14, 2025
Verified Purchaser
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Response from Bayer Advanced Customer Care

That is great, Kevin! We appreciate your review of BioAdvanced 2 in 1 Moss & Algae Killer & Cleaner! -Madison Read More

Bayer Advanced Customer CareOctober 15, 2025

BayerAdvanced

It works

Would Recommend

Does what it says...

October 7, 2025
Verified Purchaser
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Response from Bayer Advanced Customer Care

Great! We appreciate your review of BioAdvanced 2 in 1 Moss & Algae Killer & Cleaner! -Madison Read More

Bayer Advanced Customer CareOctober 7, 2025

BayerAdvanced

It didnt work

Would Not Recommend

It didnt work

October 2, 2025
Verified Purchaser
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Response from Bayer Advanced Customer Care

That is very disappointing to hear. We would like to see what we can do to help. Please reach out to our Consumer Affairs team by e-mail at consumera...

Bayer Advanced Customer CareOctober 2, 2025

BayerAdvanced

They may need to do more than one application

Would Recommend

It looks like it partially killed the moss on my roof.

September 25, 2025
Verified Purchaser
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Response from Bayer Advanced Customer Care

Hi, Charles! This is true, sometimes a second application is needed after 2 weeks. If you need assistance, please reach out to our Consumer Affairs t...

Bayer Advanced Customer CareSeptember 26, 2025

BayerAdvanced

Have a high ladder

Would Recommend

It has killed most of the moss on our roof

September 17, 2025
Verified Purchaser
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Response from Bayer Advanced Customer Care

That is great, Pamela! Thank you for sharing your success with BioAdvanced 2 in 1 Moss & Algae Killer & Cleaner! -Madison Read More

Bayer Advanced Customer CareSeptember 17, 2025

BayerAdvanced

Nothing

Would Recommend

Good

August 3, 2025
Verified Purchaser
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Response from Bayer Advanced Customer Care

Great! We appreciate your review of BioAdvanced 2 in 1 Moss & Algae Killer & Cleaner! -Madison Read More

Bayer Advanced Customer CareAugust 3, 2025

BayerAdvanced

Works

Would Recommend

Kills the moss, takes a little longer than advertised

August 2, 2025
Verified Purchaser
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Response from Bayer Advanced Customer Care

We are so glad to hear of your success with BioAdvanced 2 in 1 Moss & Algae Killer & Cleaner! Thank you for your review. -Madison

Bayer Advanced Customer CareAugust 3, 2025

BayerAdvanced

Does not work

Would Not Recommend

Moss algae still present

July 30, 2025
Verified Purchaser
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Response from Bayer Advanced Customer Care

I'm sorry to hear that you were not completely satisfied with BioAdvanced 2 in 1 Moss & Algae Killer & Cleaner. Please reach out to our C...

Bayer Advanced Customer CareJuly 30, 2025

BayerAdvanced