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Pros & Cons
pros
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pros
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Easy Application
Customers are highly satisfied with the easy application of PetraTools Blue Herbicide Lawn Dye. The product's blue mark spray indicator simplifies the process by allowing for precise and efficient application, reducing over-spraying and missed areas. Additionally, it effectively adheres to natural elements like mulch, ensuring a neat edge line.
Concentrated Formula
Customers are highly satisfied with the concentrated formula of PetraTools Blue Herbicide Lawn Dye. They have reported that it works effectively even when diluted as specified, and some have found they need to use less product for the same result.
Saves On Usage
Customers have a positive sentiment towards the product's ability to save on usage. They mention using less solution than before, resulting in cost savings. However, some caution is advised due to the strong color and potential for accidental staining.
Dye Marker For Herbicides
Customers have a positive opinion on the dye marker's effectiveness in helping them identify where they have sprayed herbicide, saving time and resources by ensuring complete coverage. Some users noted that it fades quickly but this is not an issue for them as the weed dies shortly after application. A few customers mentioned staining concerns when handling the product.
neutral
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neutral
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Long Lasting Effect
Customers have mixed opinions about the long-lasting effect of PetraTools Blue Herbicide Lawn Dye. While some are pleased with its extended duration, others find it fades quickly. The product is known to be stronger than previous versions and requires less dosage, but its longevity varies depending on environmental conditions.

Highlights
Quality
Rubber gloves, old clothes, trash bags & ziplock bags are recommended.
Works great, 1 teaspoon per gallon give a good dye to herbicide to see where you have already sprayed.
It has extremely low viscosity resulting in it wanting to flow everywhere, so be warned.
Fades in 1 to 2 days so your yard doesn't look blue for very long.
Price
If it was priced closer to $18, it'd be worth it.
I would buy more except the price is too high.
Shipping
First jug arrived with dye exploded all over the shipping box, the bag with the jug in it, etc.
I blame rough handling by the shipper.
Packaging/appearance
Well packed and the manufacturer seems very customer oriented.
Small amount of dye leaked from cap of container onto the jug surface and its packaging bag.
Perhaps a few more packing pillows would have prevented the leak.
Competitiveness
I have purchased other brands of indicator dies previously and i had to use at least twice the recommended dosage to actually s... Read More
It's a bit more expensive then competitors.
I used their minimum directed amount and it was hard to see so i have to use more which makes it seem no better than competitive product.
Overview
- How are reviewers describing this item?
blue, long, easy and good. - Our engine has profiled the reviewer patterns and has determined that there is minimal deception involved.
- Our engine has discovered that over 80% high quality reviews are present.
- This product had a total of 978 reviews as of our last analysis date on Mar 21 2025.
Helpful InsightsBETA
Posted by a reviewer on Amazon
So if you have a sprayer of any kind and your applying it to your lawn you know that it is hard to tell where you have sprayed and where you have not and this will make sure you can see where you have sprayed and where you have not
Posted by a reviewer on Amazon
Now there is some draw back which is that you do not want this to land on your clothes hands and or other people or pets
Posted by a reviewer on Amazon
This is what i do when i use this product which is wear latex or some kind of waterproof gloves under my lawn gloves
Posted by a reviewer on Amazon
A very small amount is needed to treat a couple of gallons of spray
Posted by a reviewer on Amazon
It has extremely low viscosity resulting in it wanting to flow everywhere so be warned
Posted by a reviewer on Amazon
This has a crazy ability to leak everywhere
Posted by a reviewer on Amazon
However cleanup is tough no matter what i try i always manage to get the solution on mewith a resultant blue skin
Posted by a reviewer on Amazon
I have made multiple purchases so it a minor annoyance for the benefit i get
Review Count History
Price History

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