Resolva Zero weedkiller is it any good?

I have just finished my spray bottle of Resolva Weedkiller (with Glyphosate) and want to move away from this.
Has anyone tried Resolva Zero weedkiller (no Glyphosate) and were the results any good?
https://www.amazon.co.uk/Resolva-Ready-Glyphosate-Killer-Litres/dp/B079RBCY7R/ref=sr_1_8?keywords=resolva+weedkiller&qid=1555512786&s=clothing&sr=8-8
Has anyone tried Resolva Zero weedkiller (no Glyphosate) and were the results any good?
https://www.amazon.co.uk/Resolva-Ready-Glyphosate-Killer-Litres/dp/B079RBCY7R/ref=sr_1_8?keywords=resolva+weedkiller&qid=1555512786&s=clothing&sr=8-8
“Every day is ordinary, until it isn't.” - Bernard Cornwell-Death of Kings
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Last bottle lasted 4 years.
Manual weeding is obviously preferable but not always possible.
Just wondering if anyone had used the Resolva Zero.
If weeds can be removed in another way I always prefer to do so,but there are pernicious weeds,horsetail,bindweed,ground elder and dandelions in odd places where only glyphosate weedkiller works.
.......off to buy my Roundup tomorrow!
Could it be because it actually works?