Customer Reviews for Monterey Mark-It Blue

Easy to use. Just visible enough to keep from overlapping or missing spots but not too bright. Seems to fade quickly from concrete. I used 1oz per gallon with great results.

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22 of 22 people found this review helpful

been using mark-it blue for about 5-6 years I have 5 acres with a lot of tumble weeds I ad added mark-it blue. Due to the cost of weed killer I started using mark-it blue it saves a lot of $$$ because I do not duplicate spraying the same weeds multiple times.

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22 of 22 people found this review helpful

Received quickly even though it was back ordered product works great! Marks the weeds that had been sprayed.

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2 of 2 people found this review helpful

I mixed as recommended and it did the job but I wish it was a bit darker and slightly longer lasting as it was already faded the next day and I was going to do another treatment and hit all the spots I missed the first time. Next time I use it I will just mix it at 150% to 200% and see how that goes.

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2 of 2 people found this review helpful

I suggest using bluing so you can see where you've applied and where you've missed.

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1 of 1 people found this review helpful

Works as advertised. Have used it for years. I never use a herbicide without it.

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This product made it easy to see where I had sprayed a post-emergent herbicide so I was better able to ensure I didn't miss a lot. The product mixed with the herbicide and a surfactant stayed on the ground so I was able to see the area I had sprayed. I'm glad I bought it.

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really made spraying my grass much easier. the blue is easy to see and it doesn't permanently mark up concrete. it faded out within a day.

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Works great. Saves money on chemical use. Keeps from overspray issues.

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Works great. I was able to cover all areas and not miss any spot or double cover any.

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Excellent product, works well, little messy, dye will come off hands with little work, I suggest gloves.

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I love this stuff. I wish I could get it here locally. That would be easier than waiting but it's all good. I love knowing where I have already sprayed.

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This is a great dye to help you know where and what you have sprayed. Yep, it’s blue.

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This stuff is a Blue Dye that is super concentrated. It dilutes in the spray mixture and allows you to see where you have sprayed. It works really well.

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I only have one complaint. It’s pricey for no than you get. However it does work.

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