21/35 is a 57m deco gas, still it it shown as a 51m deco gas.
This also has nothing to do with its ppO2 as if I bump up the helium content the MOD will go down well below 57m.
In the gas description the density MOD is correctly displayed as 57m though.

21/35 is a 57m deco gas, still it it shown as a 51m deco gas.
This also has nothing to do with its ppO2 as if I bump up the helium content the MOD will go down well below 57m.
In the gas description the density MOD is correctly displayed as 57m though.