Our Grass Is Going Brown In Patches

Question

We have patches of grass dying in our lawn. It is only in two patches. It is well watered so not from lack of water. I have tested for lawn grubs and that does not appear to be the issue

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Answer 1

It could be from excess thatch or mowing too short. These articles should help:

https://www.gardeningknowhow.com/lawn-care/lgen/reasons-for-dying-grass.htm

https://www.gardeningknowhow.com/lawn-care/lgen/grass-fungus.htm