weathering powder

I posted previously in my layout thread that the static grass I applied comes off too bright. I bought light green 2 mm and medium green 4 mm grass from woodland scenics but the results are very off-putting. I’d like to tone down the brightness somehow as opposed to removing my first attempt...

Weathering is new to me. I am wondering if I could use an India Ink and alcohol wash for weathering my structures a bit. Someone on another thread I’ve been posting layout updates on suggested weathering powders which I’m inclined to do but was just curious about the india ink. I’m aiming for...