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36,772 reviews
covering
150+ products
for the category
Weed Killers
Experiential insights by users
About Preen Garden Weed Preventer Blocks Weeds up to 3 Months
Overall Feedback:
93% positive
96% found it effective
I have noticed that there are practically no weeds growing and the ones that have popped up are easily dispatched with a hoe.
93% appreciated the longevity
After using this weed-killer, my gravel is still perfect even after 2 months. I only needed half of what I used with Ortho and not one weed has dared grow back.
93% found it easy to use
This weed-killer is safe to use twice a season in my own yard and easy to use, unless I use it every single day all day.
92% were satisfied with the time taken
After one month of applying the weed-killer, practically no weeds are growing, and the ones that have popped up are easily dispatched with a hoe.
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