Garden Nursery Products
Gold Coast · Est. 1979

CONCUSSION 540 Glyphosate Herbicide 5L

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Pro-Grade Quality
24hr Dispatch
FARM CHEMICALS · SKU: 038-395

CONCUSSION 540 Glyphosate Herbicide 5L

★★★★★4.7 (55 Google reviews)·In Stock — Ready to Ship

$110.00 Inc GST

CONCUSSION 540 is a non-selective 540 g/L glyphosate herbicide. The label lists domestic areas (home gardens), commercial and industrial areas, farm situations, pre-sowing weed control and directed use in tree and vine crops. It will damage desirable plants it touches. Read the label before use.

In stock

Fast DispatchWithin 24hrs Australia-wide
Quality GuaranteedPro-grade formulations
6 kg44 × 31 × 16 cm
Need Advice?07 5537 4585
Active Ingredient540 g/L Glyphosate
SKU: 038-395 Category: Brand:

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Product Description

CONCUSSION 540 is a non-selective herbicide containing 540 g/L glyphosate (as the potassium salt), sold in 1L, 5L and 20L packs. The label lists weed control in domestic areas (home gardens), commercial, industrial and public service areas, around buildings and in farm situations, weed control before sowing or planting a crop, and directed or shielded use in tree and vine crops. It does not give residual weed control: it is inactivated in the soil.

It will damage plants you want to keep. The label warns you to avoid contact with the foliage, green bark, stems, flowers or fruit of crops, desirable plants and trees, because severe injury or destruction may result. Do not let spray or spray drift touch desirable plants. Do not spray in very light winds (less than 4 km/h) or inversion conditions, or when wind speeds exceed 12 km/h.

How to use it. See the Application Rates tab and our mixing rates guide. Do not disturb weeds by cultivation, sowing or grazing for six hours of daylight after treating annual weeds, or for seven days after treating perennial weeds. Rain within 1 hour of application that causes run-off may mean you need to treat again.

Before you buy. Do not contaminate dams, rivers or streams with the product or the used container, do not apply to weeds growing in or over water, and do not spray across open bodies of water. When opening the container, preparing the spray and using the prepared spray, wear cotton overalls buttoned to the neck and wrist (or equivalent clothing), elbow-length PVC or nitrile gloves and a face shield or goggles.

Delivery from $17, priced by weight and postcode at checkout.

Additional information

Weight6 kg
Dimensions44 × 31 × 16 cm
Size

5L

Safety Data Sheets (SDS)

Application Rates

General Rate: Mix 7 mL of product per 1 litre of water.

Purpose: Effective against many grasses and broadleaf weeds.

Application Tips:
Use when weeds are actively growing.
Ensure complete coverage of foliage for best results.
Weed symptoms may appear within 3 to 7 days.

 

For General Weed Control
Suitable for home gardens, commercial areas, industrial sites, public spaces, farm buildings, and other agricultural areas. Refer to the weed control table for specific guidance.

 

Application Rates:

Annual Weeds:

Boom Sprayer: 1.35–2 L per hectare
Handgun: 330–480 mL per 100 L of water
Knapsack: 50–70 mL per 15 L of water (or 4–5 mL per 1 L)

Perennial Weeds:

Boom Sprayer: 2–4 L per hectare
Handgun: 470–660 mL per 100 L of water
Knapsack: 70–100 mL per 15 L of water (or 5–7 mL per 1 L)

For label rates by weed, see our mixing rates guide.

Important:
Always read the full product label, including directions, safety instructions, and disposal guidelines, before use. Using the product incorrectly can be illegal, dangerous, and reduce its effectiveness.

Tips for use

Mixing Instructions:

Fill the spray tank 1/3 to ½ full with clean water and start stirring.
Add 800 g of ammonium sulfate per 100 L of spray solution (if recommended) and mix.
Add other required additives or pesticides, then add the herbicide and the rest of the water.
Add surfactant (if needed) near the end to minimize foam.
Keep stirring while spraying and use the mixture promptly.
Clean all equipment thoroughly after use.

 

Application Tips:

Treat weeds with at least one true leaf (broadleaf) or two leaves (grasses).
Avoid spraying weeds under stress from drought, frost, or damage.
Allow weeds to regrow to 6–8 cm after heavy grazing before spraying.
Avoid disturbing weeds (e.g., grazing or tilling) for at least 6 hours (annual weeds) or 7 days (perennial weeds) after spraying.

 

Important Notes
Rain: If it rains within an hour of application and causes runoff, re-treatment may be needed. Add “Wetter TX” to improve rain resistance on winter weeds.
Grazing: No waiting period is required, but delay grazing to ensure the herbicide fully absorbs. Some weeds may become toxic to livestock after spraying—wait for them to brown completely before grazing.

 

Storage:
Store in a cool, ventilated place out of direct sunlight.
Keep away from food, seed, or feed.

 

Safety Guidelines
Avoid contact with skin, eyes, or clothing.
Wear protective gear: gloves, goggles, and overalls when handling or spraying.
If in eyes, rinse with water immediately.
Wash hands, clothing, and equipment after use.

 

First Aid
If poisoning occurs, call a doctor or Poisons Information Centre (Australia: 13 11 26). Refer to the Safety Data Sheet (SDS) for detailed safety advice.

For best results, follow all label instructions and consult a specialist if unsure.

Active Ingredients

540g/L GLYPHOSATE (present as the POTASSIUM SALT)

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Frequently asked questions

Do I need a licence to buy or use these?

Most products here are unrestricted and can be bought and used by anyone following the label. A few are restricted chemical products that need a chemical user permit in some states - those are flagged on the product page. If in doubt, check the poison schedule on the label.

How do I work out the mixing rate?

The label gives a rate either per 100 L of water (a concentration) or per hectare or per 100 square metres (an area rate). For a knapsack, work out the area one tank will cover, then scale the per-area rate to that tank volume. Calibrate the sprayer before you start.

Why do the same chemicals come under different brand names?

Once an active ingredient comes off patent, several companies register their own version. A generic glyphosate 360 and a big-brand glyphosate 360 are the same active at the same strength - the difference is formulation quality, surfactant load and price.

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