compost at home-problem | Miscellaneous | Commercial Hydroponics farming

I tried composting at home thrice. First time i used (1:3 i.e GREEN : BROWN)- didn't use an activator just plain water, second time 1:2- no activator just water, third time equal qty with lil buttermilk. it has been more than three months since i started the first compost, it has reduced a lot and looks a bit broken down, smells earthy but looks dark brown. the thing is i am NOT getting decomposed black powder. all 3 compost look so dry that I have to water them a bit nearly everyday. they are kept on the terrace in full sunlight. i don't know what am i doing wrong? i even added lil buttermilk to all three a week ago. so the thing is i have 3 containers filled with dry dry materials. even the food scraps become dry in a day. so where is the moisture??? pls advise.