Your #1 Online Source for Pro-Grade Pest Control Products and Expert How-To Guides

HowToPest.com Logo
Free Shipping

Fast Free Shipping!    Free Returns!    Pro’s Ready to Chat! 8am-6pm M-F

Product questions and answers

    How long does it take for Roundup Pro Max to kill weeds?
  1. 0 votes
    Q How long does it take for Roundup Pro Max to kill weeds? answer now
    Asked on August 20, 2025 9:37 PM
    A undup Pro Max is rainfast in just 30 minutes and begins working within hours. Visible results typically appear in 2–4 days, with complete weed control in 7–14 days, depending on weather and weed type.
  2. What is the correct mix rate for Roundup Pro Max Herbicide?
  3. 0 votes
    Q What is the correct mix rate for Roundup Pro Max Herbicide? answer now
    Asked on August 20, 2025 9:35 PM
    A The mix rate for Roundup Pro Max® (48.7% glyphosate) depends on the type of weeds and the size of your application area: General Weed Control (annual & perennial weeds): Mix 1.5 to 2 ounces of Roundup Pro Max per gallon of water. Treats approximately 300–600 sq. ft. Tough Weeds & Brush: Use 2.5 to 6.5 ounces per gallon of water, depending on weed size and density. Large Tank Applications: Apply 1.5 to 3 quarts per acre for annual weeds. For perennial weeds or woody brush, use 3–5 quarts per acre. Application Tips: Always apply to actively growing weeds for best results. Add 1–2 teaspoons of non-ionic surfactant per gallon if dealing with waxy or hard-to-kill plants. Avoid drift onto desirable turf, shrubs, or crops. Expect visible results in 2–4 days, with complete control in 7–14 days. 👉 Roundup Pro Max is a higher concentration glyphosate formula (48.7%), offering fast translocation, reliable broad-spectrum control, and rainfast protection in just 30 minutes.
  4. what is roundup to water ratio for broad leaf weeds
  5. 0 votes
    Q what is roundup to water ratio for broad leaf weeds answer now
    Asked on December 11, 2021 2:01 PM
    A

    Most applications of Round-up Pro Max would require a mix ratio of approx. 2 oz. of concentrate to 1 gallon of water.  Always read the label for complete instructions.

Roundup ProMax Herbicide

(2 customer reviews)

Order Before 2:00pm PST For Same Day Shipping!
Most Items are received within 2-4 days of ordering!
FOR LARGE ORDERS, PLEASE EMAIL: [email protected] OR CALL 877-708-1974

Original price was: $135.97.Current price is: $120.97.

CUSTOMERS ALSO BOUGHT:
-
+
Original price was: $213.49.Current price is: $193.49.
-
+
$99.49
-
+
Original price was: $198.79.Current price is: $129.97.

Fast Free Shipping!

The ultimate in weed control. With over 40 years of backed science, Roundup ProMax has been tested and has been proven to offer unsurpassed weed control in a concentrated formula.  Roundup Pro Concentrate is a post-emergent herbicide which means it kills on contact, destroying the leaves and stem of a weed so it cannot continue to photosynthesize.

Product Features:

  • 30-minute rain fast warranty
  • Penetrates weed leaf surfaces faster
  • Quick results (usually within 2-4 days)

Size:

1.67 Gallon

Product questions and answers

    How long does it take for Roundup Pro Max to kill weeds?
  1. 0 votes
    Q How long does it take for Roundup Pro Max to kill weeds? answer now
    Asked on August 20, 2025 9:37 PM
    A undup Pro Max is rainfast in just 30 minutes and begins working within hours. Visible results typically appear in 2–4 days, with complete weed control in 7–14 days, depending on weather and weed type.
  2. What is the correct mix rate for Roundup Pro Max Herbicide?
  3. 0 votes
    Q What is the correct mix rate for Roundup Pro Max Herbicide? answer now
    Asked on August 20, 2025 9:35 PM
    A The mix rate for Roundup Pro Max® (48.7% glyphosate) depends on the type of weeds and the size of your application area: General Weed Control (annual & perennial weeds): Mix 1.5 to 2 ounces of Roundup Pro Max per gallon of water. Treats approximately 300–600 sq. ft. Tough Weeds & Brush: Use 2.5 to 6.5 ounces per gallon of water, depending on weed size and density. Large Tank Applications: Apply 1.5 to 3 quarts per acre for annual weeds. For perennial weeds or woody brush, use 3–5 quarts per acre. Application Tips: Always apply to actively growing weeds for best results. Add 1–2 teaspoons of non-ionic surfactant per gallon if dealing with waxy or hard-to-kill plants. Avoid drift onto desirable turf, shrubs, or crops. Expect visible results in 2–4 days, with complete control in 7–14 days. 👉 Roundup Pro Max is a higher concentration glyphosate formula (48.7%), offering fast translocation, reliable broad-spectrum control, and rainfast protection in just 30 minutes.
  4. what is roundup to water ratio for broad leaf weeds
  5. 0 votes
    Q what is roundup to water ratio for broad leaf weeds answer now
    Asked on December 11, 2021 2:01 PM
    A

    Most applications of Round-up Pro Max would require a mix ratio of approx. 2 oz. of concentrate to 1 gallon of water.  Always read the label for complete instructions.

You might also like...

Description

Product Alternatives: Ranger Pro Herbicide
EPA Reg. No. 524-579
Active Ingredient: Glyphosate  – 48.7%
Product Information:

This product is a postemergence, systemic herbicide with no soil residual activity. It gives broad-spectrum control of many annual weeds, perennial weeds, woody brush and trees. It is formulated as a water-soluble liquid containing surfactant and no additional surfactant is needed or recommended.

Mixing Instructions:

NOTE: PRODUCT PERFORMANCE MAY BE SIGNIFICANTLY REDUCED IF WATER CONTAINING SOIL SEDIMENT IS USED AS CARRIER. DO NOT MIX THIS PRODUCT WITH
WATER FROM PONDS AND DITCHES THAT IS VISIBLY MUDDY OR MURKY.
This product mixes readily with water. Mix spray solutions of this product as follows: Begin filling the mixing tank or spray tank with clean water. Add the proper amount of this product near the end of the filling process and mix gently. During mixing and application, foaming of the spray solution may occur. To prevent or minimize foaming, mix gently, terminate by-pass and return lines at the bottom of the tank and, if necessary, use an anti-foam or defoaming agent.

Tank Mixing:

When tank mixing, read and carefully observe label directions, cautionary statements and all information on the labels of all products used. Add the tank-mix product to the tank
as directed by the label. Maintain agitation and add the specified amount of this product. Maintain good agitation at all times until the contents of the tank are sprayed. If the spray
mixture is allowed to settle, thorough agitation may be required to resuspend the mixture before spraying is resumed. Keep by-pass line on or near the bottom of the tank to minimize foaming. Screen size in nozzle or line strainers should be no finer than 50-mesh. Always predetermine the compatibility of labeled tank mixtures of this product with water carrier by mixing small proportional quantities in advance. Ensure that the specific tank mixture product is registered for application at the desired site.

Mixing Table:

Desired                           Amount of Roundup PROMAX herbicide
Volume            0.4%              0.7%              1.0%           1.5%             4%               7%

1 gal                 0.5 oz            1 oz               1.3 oz            2 oz             5 oz             9 oz
25 gal              0.8 pt            0.7 qt            1 qt               1.5 qt          4 qt              7 qt
100 gal           1.6 qt             2.8 qt            1 gal             1.5 gal         4 gal            7 gal
2 tablespoons = 1 fluid ounce

For use in backpack, knapsack or pump-up sprayers, add the appropriate amount of t, mixed with water in a larger container and then filling sprayer with the solution.

Additional information

Size

Manufacturer

  • Bayer
  • UPC: 883580384520

Active Ingredient

Glyphosate ……….48.7%

For Use In

Non-crop areas such as airports, apartment complexes, commercial sites, driveways, dry ditches, dry canals, golf courses, greenhouses, industrial sites, landscape areas. lumberyards, parks, parking areas, residential areas and other listed areas

Controlled Pests

Post Emergent Herbicide:

Controlled Weeds:  Corn, Panicum, Shattercane, Sicklepod, Spanishneedles, Starbur, Beggarweed, Bermudagrass, Dogbane, Dogfenne, Guineagrass, Johnsongrass, Milkweed, Nightshade, Pigweed, Ragweed, Smutgrass Sunflower, Thistle, Vaseygrass, Velvetleaf

See Label For Complete List

2 reviews for Roundup ProMax Herbicide

Powered byCusRev
3.5
Based on 2 reviews
5 star
50
50%
4 star
0%
3 star
0%
2 star
50
50%
1 star
0%
  1. Anonymous (verified owner)

    USCalifornia, United States

    (0) (0)
  2. Brad D. (verified owner)

    USWashington, United States

    Weak formula for the cost

    (0) (0)

Only logged in customers who have purchased this product may leave a review.

Product questions and answers

    How long does it take for Roundup Pro Max to kill weeds?
  1. 0 votes
    Q How long does it take for Roundup Pro Max to kill weeds? answer now
    Asked on August 20, 2025 9:37 PM
    A undup Pro Max is rainfast in just 30 minutes and begins working within hours. Visible results typically appear in 2–4 days, with complete weed control in 7–14 days, depending on weather and weed type.
  2. What is the correct mix rate for Roundup Pro Max Herbicide?
  3. 0 votes
    Q What is the correct mix rate for Roundup Pro Max Herbicide? answer now
    Asked on August 20, 2025 9:35 PM
    A The mix rate for Roundup Pro Max® (48.7% glyphosate) depends on the type of weeds and the size of your application area: General Weed Control (annual & perennial weeds): Mix 1.5 to 2 ounces of Roundup Pro Max per gallon of water. Treats approximately 300–600 sq. ft. Tough Weeds & Brush: Use 2.5 to 6.5 ounces per gallon of water, depending on weed size and density. Large Tank Applications: Apply 1.5 to 3 quarts per acre for annual weeds. For perennial weeds or woody brush, use 3–5 quarts per acre. Application Tips: Always apply to actively growing weeds for best results. Add 1–2 teaspoons of non-ionic surfactant per gallon if dealing with waxy or hard-to-kill plants. Avoid drift onto desirable turf, shrubs, or crops. Expect visible results in 2–4 days, with complete control in 7–14 days. 👉 Roundup Pro Max is a higher concentration glyphosate formula (48.7%), offering fast translocation, reliable broad-spectrum control, and rainfast protection in just 30 minutes.
  4. what is roundup to water ratio for broad leaf weeds
  5. 0 votes
    Q what is roundup to water ratio for broad leaf weeds answer now
    Asked on December 11, 2021 2:01 PM
    A

    Most applications of Round-up Pro Max would require a mix ratio of approx. 2 oz. of concentrate to 1 gallon of water.  Always read the label for complete instructions.

Roundup ProMax Herbicide

(2 customer reviews)

Order Before 2:00pm PST For Same Day Shipping!
Most Items are received within 2-4 days of ordering!
FOR LARGE ORDERS, PLEASE EMAIL: [email protected] OR CALL 877-708-1974

Fast Free Shipping!

The ultimate in weed control. With over 40 years of backed science, Roundup ProMax has been tested and has been proven to offer unsurpassed weed control in a concentrated formula.  Roundup Pro Concentrate is a post-emergent herbicide which means it kills on contact, destroying the leaves and stem of a weed so it cannot continue to photosynthesize.

Product Features:

  • 30-minute rain fast warranty
  • Penetrates weed leaf surfaces faster
  • Quick results (usually within 2-4 days)

Size:

1.67 Gallon

Original price was: $135.97.Current price is: $120.97.

CUSTOMERS ALSO BOUGHT:
-
+
Original price was: $213.49.Current price is: $193.49.
-
+
$99.49
-
+
Original price was: $198.79.Current price is: $129.97.

Description

Product Alternatives: Ranger Pro Herbicide
EPA Reg. No. 524-579
Active Ingredient: Glyphosate  – 48.7%
Product Information:

This product is a postemergence, systemic herbicide with no soil residual activity. It gives broad-spectrum control of many annual weeds, perennial weeds, woody brush and trees. It is formulated as a water-soluble liquid containing surfactant and no additional surfactant is needed or recommended.

Mixing Instructions:

NOTE: PRODUCT PERFORMANCE MAY BE SIGNIFICANTLY REDUCED IF WATER CONTAINING SOIL SEDIMENT IS USED AS CARRIER. DO NOT MIX THIS PRODUCT WITH
WATER FROM PONDS AND DITCHES THAT IS VISIBLY MUDDY OR MURKY.
This product mixes readily with water. Mix spray solutions of this product as follows: Begin filling the mixing tank or spray tank with clean water. Add the proper amount of this product near the end of the filling process and mix gently. During mixing and application, foaming of the spray solution may occur. To prevent or minimize foaming, mix gently, terminate by-pass and return lines at the bottom of the tank and, if necessary, use an anti-foam or defoaming agent.

Tank Mixing:

When tank mixing, read and carefully observe label directions, cautionary statements and all information on the labels of all products used. Add the tank-mix product to the tank
as directed by the label. Maintain agitation and add the specified amount of this product. Maintain good agitation at all times until the contents of the tank are sprayed. If the spray
mixture is allowed to settle, thorough agitation may be required to resuspend the mixture before spraying is resumed. Keep by-pass line on or near the bottom of the tank to minimize foaming. Screen size in nozzle or line strainers should be no finer than 50-mesh. Always predetermine the compatibility of labeled tank mixtures of this product with water carrier by mixing small proportional quantities in advance. Ensure that the specific tank mixture product is registered for application at the desired site.

Mixing Table:

Desired                           Amount of Roundup PROMAX herbicide
Volume            0.4%              0.7%              1.0%           1.5%             4%               7%

1 gal                 0.5 oz            1 oz               1.3 oz            2 oz             5 oz             9 oz
25 gal              0.8 pt            0.7 qt            1 qt               1.5 qt          4 qt              7 qt
100 gal           1.6 qt             2.8 qt            1 gal             1.5 gal         4 gal            7 gal
2 tablespoons = 1 fluid ounce

For use in backpack, knapsack or pump-up sprayers, add the appropriate amount of t, mixed with water in a larger container and then filling sprayer with the solution.

Additional information

Size

Manufacturer

  • Bayer
  • UPC: 883580384520

Active Ingredient

Glyphosate ……….48.7%

For Use In

Non-crop areas such as airports, apartment complexes, commercial sites, driveways, dry ditches, dry canals, golf courses, greenhouses, industrial sites, landscape areas. lumberyards, parks, parking areas, residential areas and other listed areas

Controlled Pests

Post Emergent Herbicide:

Controlled Weeds:  Corn, Panicum, Shattercane, Sicklepod, Spanishneedles, Starbur, Beggarweed, Bermudagrass, Dogbane, Dogfenne, Guineagrass, Johnsongrass, Milkweed, Nightshade, Pigweed, Ragweed, Smutgrass Sunflower, Thistle, Vaseygrass, Velvetleaf

See Label For Complete List

2 reviews for Roundup ProMax Herbicide

Powered byCusRev
3.5
Based on 2 reviews
5 star
50
50%
4 star
0%
3 star
0%
2 star
50
50%
1 star
0%
  1. Anonymous (verified owner)

    USCalifornia, United States

    (0) (0)
  2. Brad D. (verified owner)

    USWashington, United States

    Weak formula for the cost

    (0) (0)

Only logged in customers who have purchased this product may leave a review.

Product questions and answers

    How long does it take for Roundup Pro Max to kill weeds?
  1. 0 votes
    Q How long does it take for Roundup Pro Max to kill weeds? answer now
    Asked on August 20, 2025 9:37 PM
    A undup Pro Max is rainfast in just 30 minutes and begins working within hours. Visible results typically appear in 2–4 days, with complete weed control in 7–14 days, depending on weather and weed type.
  2. What is the correct mix rate for Roundup Pro Max Herbicide?
  3. 0 votes
    Q What is the correct mix rate for Roundup Pro Max Herbicide? answer now
    Asked on August 20, 2025 9:35 PM
    A The mix rate for Roundup Pro Max® (48.7% glyphosate) depends on the type of weeds and the size of your application area: General Weed Control (annual & perennial weeds): Mix 1.5 to 2 ounces of Roundup Pro Max per gallon of water. Treats approximately 300–600 sq. ft. Tough Weeds & Brush: Use 2.5 to 6.5 ounces per gallon of water, depending on weed size and density. Large Tank Applications: Apply 1.5 to 3 quarts per acre for annual weeds. For perennial weeds or woody brush, use 3–5 quarts per acre. Application Tips: Always apply to actively growing weeds for best results. Add 1–2 teaspoons of non-ionic surfactant per gallon if dealing with waxy or hard-to-kill plants. Avoid drift onto desirable turf, shrubs, or crops. Expect visible results in 2–4 days, with complete control in 7–14 days. 👉 Roundup Pro Max is a higher concentration glyphosate formula (48.7%), offering fast translocation, reliable broad-spectrum control, and rainfast protection in just 30 minutes.
  4. what is roundup to water ratio for broad leaf weeds
  5. 0 votes
    Q what is roundup to water ratio for broad leaf weeds answer now
    Asked on December 11, 2021 2:01 PM
    A

    Most applications of Round-up Pro Max would require a mix ratio of approx. 2 oz. of concentrate to 1 gallon of water.  Always read the label for complete instructions.

0

How To Pest

Join the How To Pest Specials Club

Independently verified
505 reviews