On 09/07/2020 10:12, Chris Hogg wrote:
On Thu, 9 Jul 2020 00:42:23 -0700 (PDT),
wrote:

On eBay it advises 20ml per litre of water

It's just glyphosate concentrate, presumably 360g/liter. Recommended
dilutions for this strength of glyphosate seem to vary from 5 to your
20 ml/litre water. Lower concentrations take longer to work, but can
be more effective on difficult weeds, eventually.

Nothing but ten times overdose ever worked on brambles, for me.

--
The New Left are the people they warned you about.