liquid_alternative_source = "", -- Source version of flowing liquid

liquid_viscosity = 0, -- Higher viscosity = slower flow (max. 7)

liquid_renewable = true, -- Can new liquid source be created by placing two or more sources nearby?

leveled = 0, -- Block contain level in param2. value - default level, used for snow. Don't forget use "leveled" type nodebox

liquid_range = 8, -- number of flowing nodes around source (max. 8)

drowning = 0, -- Player will take this amount of damage if no bubbles are left