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Water Core

There is a diving suit. It allows you to sink and walk around on surface.
Since your already flying you can also just use the spectator to build

please remove buoyancy from character when in fly mode for under water crafting if you can

In what way is it not working? Are you on Community Edition?

No matter what i do i can't get the water working. i've tried all water core commands, even some space engineers commands, no results. Need help

No. If you don't want the tide to change you can set the speed to 0

можно ли какой-нибудь командой закрепить минимальный и максимальный уровень воды за текущем?

is it possible to fix the minimum and maximum water levels for the current one with some command?

In case it happens to anyone else, some change to at least one possibly other mods is making it so even if your map doesn't have Water Core, it makes water anyway. After fiddling aropund I gave up trying to figure out which non-water-related mod was causing it and just added Water Core to the map, went into creative and activated admin tools, then followed the author's directions for making the water smaller than the planet:
"If you use /help tide
it has a good explanation on what the commands do.
To lower the water level, just type /tide min -1000
Then type /tide water -1000
Then /tide max -1000"

Flooding problem solved without spending a couple days removing mods one by one.

It has now been fixed!

@KickingJoub Try now, some mods were just broken by a mistaken update that should be fixed

Update: friend with clean install tried the Water in Medieval Engineers world, and also has no water, and no /help tide functionality