And the instructions for Q-tips say you shouldn't insert them into your ears, and yet here we arecool, on the insturctions for a similar mix here on "Home center" (a ripoff of Home Depot) is stated you use a concrete mixer and you only need to add water, could be a different mixit looks nice.
https://www.sakrete.com/content/uploads/2021/07/High-Strength-Concrete.pdf
It's not the intended application and the result is not as strong as when you use the correct water to concrete mix ratio and use a cement mixer to blend the mixture properly, it definitely shouldn't be used for anything critical, but it's good enough for retaining walls or levees or such.
