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4.5 out of 5 stars. 360 reviews
A woman outside with a dog
A woman outside with a dog

BioAdvanced 2-in-1 Moss and Algae Killer and Cleaner for Lawns, 32 oz., Ready-to-Spray

BioAdvanced 2-in-1 Moss and Algae Killer and Cleaner for Lawns, 32 oz., Ready-to-Spray

Item # 248530099

BioAdvanced BioAdvanced 2-in-1 Moss and Algae Killer and Cleaner for Lawns, 32 oz., Ready-to-Spray
BioAdvanced BioAdvanced 2-in-1 Moss and Algae Killer and Cleaner for Lawns, 32 oz., Ready-to-Spray
$27.99


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BioAdvanced 2-in-1 Moss and Algae Killer and Cleaner for Lawns, 32 oz., Ready-to-Spray

Item # 248530099

BioAdvanced BioAdvanced 2-in-1 Moss and Algae Killer and Cleaner for Lawns, 32 oz., Ready-to-Spray
BioAdvanced BioAdvanced 2-in-1 Moss and Algae Killer and Cleaner for Lawns, 32 oz., Ready-to-Spray

$27.99
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New Cardmembers earn a $20 Reward‡ with qualifying purchase of $20 or more plus earn 5% in Rewards+ on this purchase. Valid through 11/8/26.

This item is available online only

Out of stock delivering to

37027

Get it by Fri, Nov 13 if ordered within the next 19 hours and 49 minutes

Oversize Items Shipped To Store may incur freight charge.

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BioAdvanced 2-In-1 Moss & Algae Killer & Cleaner kills moss, algae and lichen wherever it grows. It acts like 2 products in 1, treating lawns and patios plus roofs, fences, ornamental gardens, decks, hardscapes, buildings, and exterior home surfaces. The no-odor, non-staining formula will kill listed diseases in hours and protect for months, without harming your lawn. It also kills mold and mildew, all without staining. BioAdvanced 2-In-1 Moss & Algae Killer & Cleaner Ready-to-Spray measures 32-ounces. BioAdvanced. Get More From The Blue Bottle.

For additional information on this product, please see the Product Documents section for all downloadable user manuals, installation guides, brochures and warranty statements.

  • MOSS and ALGAE KILLER and CLEANER: Kills moss, algae, lichen, mold, and mildew wherever it grows
  • PROTECTION FOR MONTHS: BioAdvanced 2-in-1 Moss and Algae Killer and Cleaner kills within hours and protects for months
  • 2-in-1 KILLER and CLEANER: Use on lawns, patios, roofs, buildings, decks, driveways, mulch, and more
  • KILLS WITHIN HOURS: Moss will quickly turn yellow and then brown, but must be physically removed once dead
  • NON-BLEACH FORMULA: BioAdvanced non-bleach formula will not stain or harm lawns

Q&As

1 - 2 of 2 Questions

Q: Use on shingles

3 months ago
1 Answer
  • A: BioAdvanced 2 in 1 Moss & Algae Killer & Cleaner can be used on asphalt and composite shingles. -Madison
    3 months ago
    Helpful?

Q: When is the best time to apply?

a year ago
1 Answer
  • A: BioAdvanced 2 in 1 Moss & Algae Killer & Cleaner can be used any time of year. There is not necessarily a time in which the product will be more effective. It is important to apply when temperatures are not exceeding 85 degrees at the time of the application. Rain should also not be in the forecast for the next 24 hours to avoid a wasted application. -Madison
    a year ago
    Helpful?

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Reviews

Rating Snapshot

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226 reviews with 5 stars.
100 reviews with 4 stars.
21 reviews with 3 stars.
9 reviews with 2 stars.
4 reviews with 1 star.

Overall Rating

4.5
1 out of 1 (100%) reviewers recommend this product

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Summary of Reviews

AI-generated from customer ratings & reviews, and may include incentivized reviews.
Customers overwhelmingly praise this product for its powerful effectiveness against moss and algae, with most reporting visible results within hours or days of a single application. The hose-attachment design is consistently highlighted as a major advantage, requiring only simple spraying with no sc...
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1 to 4 of 360 Reviews .
1 – 4 of 360 Reviews
Review 1

Moss stay away

8 days ago
Sprayed these steps leading to my basement a few days ago and the moss already appears to be dying. Hopefully it will fully stay away next year! I read that it’s good to do when prepping the house for winter.

Originally posted on BioAdvanced

Response from BioAdvanced:
4 days ago
BioAdvanced
Wonderful! We're glad to hear of your positive experience with BioAdvanced 2 In 1 Moss & Algae Killer & Cleaner. Thank you for taking the time to share your success!
Review 1

It works great

13 days ago
Here is where I’d use the product, the photo is a before, I do not have an after quite yet but it’s worked wonders so far!!! Would definitely recommend.

Originally posted on BioAdvanced

Response from BioAdvanced:
6 days ago
BioAdvanced
Wonderful! We're glad to hear of your positive experience with BioAdvanced 2 In 1 Moss & Algae Killer & Cleaner. Thank you for taking the time to share your success!
Review 1

Starts working immediately

27 days ago
Instructions were very clear! I applied the product as directed and immediately started seeing results! Package was sealed well and the bottle was full of the product!

Originally posted on BioAdvanced

Response from BioAdvanced:
16 days ago
BioAdvanced
We love hearing when a product makes outdoor cleanup feel more rewarding! Here’s to keeping your outdoor spaces looking their best with less hassle.
Review 1

Clears most moss

a month ago
I use this in a few places the first was on a fabric seat cushion. It didn’t quite get the moss off completely but it worked pretty good. The second place I used. It was on concrete next to my hot tub. It did a pretty good job. I’m guessing this stuff needs multiple treatments to work really well.

Originally posted on BioAdvanced

Response from BioAdvanced:
a month ago
BioAdvanced
Great! We're glad to hear of your positive experience with BioAdvanced 2 In 1 Moss & Algae Killer & Cleaner. Thank you for taking the time to share your success!