1. это мусор,
2. все это пустой базар,
3. просто помыться

https://www.idiomsandslang.com/its-a-wash/

Баш на баш

Синонимы:
одинаково, равнозначно, равноценно, так на так, то на то, ухо на ухо, эквивалентно

https://rus-phraseology-dict.slovaronline.com/106-%D0%91%D0%B0%D1%88%20%D0%BD%D0%B0%20%D0%B1%D0%B0%D1%88

Браво! 👍

"it's a wasted effort", "all is lost".
https://www.urbandictionary.com/define.php?term=it%27s%20a%20wash

всё (это) впустую

If one side gives 0 and the other side gives 0, then the result is 0 = a wash. In the context of the post I wrote this in, if the poster wasn’t about to correct her post, I wasn’t going to have anything to translate so the result was going to be a big fat zero. A wash.

"вышли в ноль"(?)

Definition of it's a wash
—used to say that something is equal and that one side does not have an advantage
You won the first game and I won the second, so it's a wash.

"бег на месте"(?)