SKU: 35930777815
square one herbicide

square one herbicide Hi-Yield® KILLZALL Super Concentrate Weed & Grass Killer – Greenhouse Megastore

Sale price$23.03 Regular price$25.59
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Shipping Estimate
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  • USA
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Ships within 48 hours · Estimated delivery Sep 13 - Sep 18

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For Your Every Summer RSVP, with Code: SUMMER15

Description

square one herbicide Hi-Yield® KILLZALL Super Concentrate Weed & Grass Killer – Greenhouse MegastoreHi Yield KILLZALL Super Concentrate Weed & Grass Killer is a powerful herbicide designed to effectively eliminate weeds and grasses in residential and crop locations. With its 41% Glyphosate and Double Surfactant formulation, it quickly dries on plants, ensuring rapid action. The product is versatile and can be used near fences, in paths, patios, sidewalks, curbs, driveways, as well as around ornamental trees, shrubs, flower beds, and buildings. It is

Hi-Yield® KILLZALL™ Super Concentrate Weed & Grass Killer is a powerful herbicide designed to effectively eliminate weeds and grasses in residential and crop locations. With its 41% Glyphosate and Double Surfactant formulation, it quickly dries on plants, ensuring rapid action. The product is versatile and can be used near fences, in paths, patios, sidewalks, curbs, driveways, as well as around ornamental trees, shrubs, flower beds, and buildings. It is also labeled for lawn renovation, brush and vine control, and stump treatment.

Hi-Yield® KILLZALL™ Super Concentrate is rainfast in just 2 hours, and reseeding can be done according to seed package directions in 3 to 14 days. For garden plot preparation, it is a valuable tool, and its effectiveness can be enhanced by using Hi-Yield® Herbicide Enhancer. The product is available in pint, quart, gallon, and 2.5-gallon sizes, with 32 oz. covering up to 6,400 sq ft. The label is short, concise, and consumer-friendly, providing easy-to-follow instructions for optimal results.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 35930777815

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Sigrid Brandow
Phoenix, US
★★★★★ 5
Easy install.
Color: Black, Size: 32" W x 7" D x 1.5" H (2 pieces)
Easy install, and very pretty. Can't go wrong with this purchase.
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Reviewed in the United States on December 12, 2025
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Amazon Customer
Draper, US
★★★★★ 5
Great shelving!
Color: Black, Number Of Shelves: 2, Size: 40"W x 6.5"D, Color: Black, Number Of Shelves: 2, Size: 40"W x 6.5"D
These shelves are amazing, easy to install and look very impressive! Price is good too!
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Reviewed in the United States on April 7, 2026
C
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Christopher A Lopez
West Palm Beach, US
★★★★★ 5
Clean look and very sturdy
Color: Brown, Number Of Shelves: 2, Size: 36"W x 6.5"D
These floating shelves look great and were easy to install. The invisible brackets give them a clean, modern look, and they feel sturdy once mounted. Perfect for adding storage or décor in a bathroom, living room, or bedroom. Great quality for the price.
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Reviewed in the United States on February 15, 2026
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braelynn
Whiting, US
★★★★★ 5
The perfect shelf’s
Color: Oak, Number Of Shelves: 2, Size: 32"W x 6.5"D, Color: Oak, Number Of Shelves: 2, Size: 32"W x 6.5"D
These are perfect easy to put together and sturdy enough for my decor to sit on. hardware was easy to it together.
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Reviewed in the United States on April 24, 2026
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Jane Ashley
West Palm Beach, US
★★★★★ 5
Easy install
Color: Brown, Number Of Shelves: 2, Size: 24"W x 6.5"D
Nice looking shelves, easy to install and less expensive than similar shelving at the big box stores.
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Reviewed in the United States on May 27, 2026

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