add gravity generators for all the versions plz having a hard time making ma base

I was wandering around in the depths of space and i decided to make a space station. When i went to seal the oxygen nothing happened and there was still a giant blue oxygen bubble. I couldn't breathe in half of the space station and it was really anoyying. The space station is made of Vannila minecraft glass blocks and steel blocks from (I think) Tinkers Construct. Whats wrong with the sealing?

Need help i have absolutely no clue on adding mods so i dont even know if installing it worked and when i try to get it on my singleplayer i dont see anything different i even installed all the extra junk what am i doing wrong ??

Its up!!!

Server online when?

Whens this server gonna be online?

i would like to join the server and be staff but its offline :(

Plz put the server back up and i would like to apply for staff i have everything ready and i'm an experienced staff on other servers