Costco Wet and Forget Outdoor Moss, Mold, Mildew


Costco sells the Wet and Forget Outdoor Cleaner for $29.99. Scroll down for photos. It’s that time of the years already! Costco has moved in their gardening and outdoor products. Even though we are 6 – 7 weeks away from springtime, it’s a good time to start preparing for that “Spring Cleaning”. Pick up a bottle of this Wet & Forget Outdoors now. This bottle comes with the hose bib attachment to make it really easy. If you don’t need the hose bib attachment, then pick up the 2 pack of bottles online (currently sold on Costco.com). This stuff works great for moss & mildew on the roof. Remember it does not work immediately & takes time for the moss & mildew to die. Hint: be careful around bushes & plants you want to live. Here is a little more information about this Costco Wet and Forget Stain Remover…….

  • Works on Decks, Roofs, Sidings, Patio’s, Driveways, Pavers and more
  • Sprays up to 30 Feet
  • 3,000 Square Feet of Coverage per Bottle
  • Easy Spray and Leave Outdoor Cleaner
  • Treat Large Areas and high Elevations in Minutes!

*Disclosure: I only recommend products I would use myself and all opinions expressed here are our own. This post may contain affiliate links that at no additional cost to you, I may earn a small commission. Read full privacy policy here. 

Costco Wet & Forget 68oz Outdoor Moss, Mold & Mildew


Costco currently sells this & 2 other products online. They sells the “Wet & Forget Moss, Mold, Mildew & Algae Stain Remover 0.75-gallon, 2-pack” for $31.99 (Item Number: 361065). They sell the “Wet & Forget Outdoor Ready to Use 64 oz., 2-pack” for $35.99 (Item Number: 1232890). These 2 product have much higher ratings. The biggest complaint about this product was the hose bib. Many people had hose connection issues & spray issues, so be aware. If you can’t find this or you’re looking for some other outdoor mold/mildew stain remover, make sure to check out these HIGHLY RATED products……..

Price: $29.99, Item Number: 1219756


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