Sorry, I forgot the pictures! :D

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Where are you located (I'm guessing California)? From your pic it looks like you have a bit of disease. Your watering schedule isn't ideal. You should be watering less often, for longer periods of time. I would also suggest getting a comprehensive soil test to determine if you have any deficiencies. (Logan Labs basic soil test, $20). Tall fescue loses color and gets some yellowing as temperatures fall, but if you live in SoCal you shouldn't see too much cold weather dormancy affects.

Yes, I am in Southern California! :)
I'll adjust my watering to less frequent but longer periods. Time to get those tuna cans out!

Some of the grass blades look healthy while some are complete opposites, as you can see in the closeup photo. Could you give any additional suggestions based on that?

I wouldn't worry too much about it since it's pretty diffuse and most of the stand looks pretty good. I would get the soil test I suggested and if anything is out of whack then work on correcting those deficiencies.

Just an update. I fed it plenty and watered with sweat. Looking good but some spots need reseeding/water. Perfect season for that!
Thanks for the updates. I'll post a pic when I can. :)