For Roundup Weed & Grass Killer Concentrate Plus, mix from 3 ounces, or 6 tablespoons, to 6 ounces, or 12 tablespoons, concentrate with 1 gallon of water. For Roundup Weed & Grass Killer Super Concentrate, use from 1 1/2 ounces, or 3 tablespoons, to 2 1/2 ounces, or 5 tablespoons, per 1 gallon of water.
Beside this, how do you mix glyphosate with water?
Mix in 2 2/3 oz. of Glyphosate 41 for every gallon of water in the mixture. When you add the herbicide, you may notice the solution foam slightly.
Additionally, how much Roundup do I need for 5 Litres of water? Application Rates & Timing
| Label Rate L/ha | Equivalent Dilution Mls Roundup ProActive per litre water* |
|---|---|
| 3 | 1:66 or 15 ml/litre water |
| 4 | 1:50 or 20 ml/litre water |
| 5 | 1:40 or 25 ml/litre water |
| 6 | 1:33 or 30 ml/litre water |
Similarly one may ask, can you use Roundup in a watering can?
Yes, you can. But its a less efficient way to apply a weedkiller. It is less accurate, less controllable and uses 5 times more water than a sprayer.
How much Roundup do I use for 4 gallons of water?
Roundup Pro Concentrate can applied in a hand held pump sprayer at 2.4-4 fl oz per gallon of water. You will use the finished solution within 24 hrs of mxing.