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Weed Killing Frequently Asked Questions

All the Roundup facts rounded up

This is the place to find out all you need to know about Roundup. Want to know whether Roundup kills moss? Want to know how Roundup could affect your lawn? Get all the answers right here.

Why aren’t my weeds dead yet?

When can my children/pets return to the treated area?

When can I replant/reseed after use?

Why have weeds re-grown after several weeks?

Will it kill grass?

Why has it killed the grass?

Will it kill moss or algae?

Will it kill ivy?

Will it kill tough weeds such as Creeping Lantana?

Can it be used on paving?

Does it harm the soil, persist in the soil, poison ground etc..?

How long does it need before rainfall?

Difference between Ready to Use & Concentrate?

Roundup Liquid Concentrates need to be diluted in water before use with a dedicated garden sprayer or if you prefer a dedicated watering can. Roundup Ready to use is already mixed for you and is available in a range of convenient sprayers. 

Does the Concentrate need using up straight away after mixing?

Can I put it on stronger? Will that work better?

What are the origins of Roundup?

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