D/2 Biological Solution 5 Gallon

D/2 Biological Solution 5 Gallon

Removing stubborn stains from various surfaces has never been easier. Whether it's on your patio, fence, roof, or any other surface, our powerful formula is designed to tackle them all.

***NOT included in sales including, but not limited to BOGO, Free shipping, etc.***


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Industry Leader

Made in the USA

Safe for Natural Stone

Trusted by Professionals

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Are you tired of battling with tough stains caused by mold, mildew, lichen, and algae? Look no further – we have the perfect solution for you! Say hello to D/2 Biological Solution – your ultimate stain remover for an array of surfaces.

What sets D/2 Biological Solution apart from the rest? Its incredible biodegradable formula makes it an eco-warrior, ensuring a cleaning process that is safe for the environment. And that’s not all! Its pH-neutral composition means you can breathe easily, knowing that your precious marble, granite, limestone, or wood won’t be harmed in the process.

D/2 Biological Solution is your ideal cleaning companion. Watch as it effortlessly eliminates environmental pollution, dirt, and those pesky stains to restore the beauty and cleanliness of your surroundings. Prepare to bid farewell to unsightly spots and say hello to a spotless, gleaming space! So what are you waiting for? Join the D/2 Biological Solution revolution and transform your surroundings into a haven of cleanliness. Get ready to embrace a stain-free world today!

Safe to use on:

  1. Masonry
  2. Stone
  3. Concrete
  4. Marble, Granite, Limestone
  5. Wood
  6. Asphalt Shingles
  7. Vinyl & Aluminum Siding
  8. Fiberglass, Metal, Paint, Canvas, etc.

✨ Ensure Clean and Stain-Free Surfaces All Year Round! ✨
To maintain the pristine appearance of your surfaces even after the initial treatment, we suggest a gentle spray once every year. This effortless maintenance routine will effectively preserve their cleanliness while effortlessly tackling stubborn stains.
With an impressive coverage of around 250 – 350 square feet per gallon, our remarkable product goes a long way in unveiling the natural sheen of your surfaces.

Please keep in mind that it’s recommended to avoid applying D/2 in temperatures below 45 degrees. Be sure to choose a warmer day to experience its phenomenal results to the fullest!

Happy surface-keeping and enjoy the astonishing outcome! 🌞


  1. Heavy biological deposits may require repeat applications of D/2 cleaner to achieve complete cleaning after detachment. Alternatively, heavy growth can be detached by manual scraping using wooden or plastic tools immediately after application.
  2. D/2 is not part of any sales discounts or promotions including but not limited to free shipping, shipping discounts, and sales.
  1. Apply D/2 with a brush, roller or sprayer.
  2. Allow the undiluted D/2 to remain on the surface for 5-10 min.
  3. Apply additional D/2 to maintain a wet surface.
  4. Scrub the surface thoroughly with a non-metallic, short-fibered scrub brush.
  5. Lightly mist with water and continue scrubbing.
  6. Rinse thoroughly with fresh water using a hose or sprayer.

Frequently Asked Questions

How Do You Use D/2 Biological Solution?

Does D/2 Biological Solution Prevent Air Pollutant Staining?

Does D/2 Biological Solution Remove Environmental Pollution and Air Pollutants?

Where Is D/2 Biological Solution Effective?

How Do You Use D/2 Biological Solution with Wooden or Plastic Tools?

Why Should You Choose D/2 Biological Solution?

Why Should You Choose D/2 Biological Solution?

What Are the Features of Using D/2?

What Companies or Brands Have Used This Product, and What Were the Results?

Find a Pro

Thinking you need more than just a DIY option to restore your stone? We have an entire network of restoration professionals at your fingertips.