Customer Reviews for Prime Source Meso 4SC Select Herbicide

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Average Customer Rating

4.2 of 5 stars
(34 customer reviews)
Prime Source Meso 4SC Select Herbicide
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  • 2 of 5 Stars

    Not Happy

    By Howard on 10/17/2019

    This product had some effect on crab grass but other weeds were not killed off as advertised. I applied it with a tank sprayer with surfactant and blue dye. It was mixed according to directions and all weeds received full coverage. Disappointing.

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    5 of 6 people found this review helpful

  • 2 of 5 Stars

    As of now it looks like i wasted my money

    By Dan on 10/19/2019

    First off i used a groundskeeper II dethatching rake over my entire front lawn. Getting a having thatch removed before application. I mixed this meso 4sc after reading it provided the same results as tenacity. $65 later i mixed it in a 2 gallon sprayer using the correct ratio with a surfactant and blue dye. I sprayed my "entire" lawn front to back, Roughly 1000 sq ft. My lawn has more weeds than grass. Many of which are unknown by me. Some look like vines some are crabgrass, clover, dandelions, etc. I let it sit on my grass for 2-3 days before i lightly watered it the next few days. Then over seeded, spread pete moss on top and used my dethatching rake to blend it down to the soil exposing the grass. After about 7-8 days now ive yet to see a single dead weed. Clover has very small white spots but looks very lively still. Crabgrass still is present all over because it still has some light blue dye on it but its definitely not white. I expected results after 3-5 days like many have stated and the bottle but on here it seems as if it can take several weeks? Maybe i haven't waited long enough since temps are starting to drop down to the upper 40's and level off in the low 60's? I will do a second full application on my 2nd week and if anything changes i will be back to change my review. Otherwise it looks like they cost me about a $100 to do nothing on my lawn. So far disappointed because i got the same results out of the big box stores.

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    4 of 11 people found this review helpful

  • 2 of 5 Stars

    Generic tenacity

    By Cantin on 10/20/2019

    Killed my grass... very disappointed... followed directions

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    2 of 5 people found this review helpful

Displaying 1 to 3 (of 3 reviews)