It IS antacid. In a snowy weather biome water source blocks that are exposed to sky will eventually freeze. To make the fort, I used dirt to make channels then filled with water to one block deep, had to wait for it to freeze, then put more water on each layer until the top.|
As for your other point, it would be worth having a linked community of people because I'm not likely to get into your world all that often, on account of the time differences. I'll rarely want to play at 6-8 am after all.