Makes some Bob's Mods byproducts useful. Hydrogen can be made in to Fuel Cells. Sodium Hydroxide can be useful in Oil Refining, or can be used with Angel's Processing to improve Thermal Water.
May be not a bug but
That recipe using vanilla water instead of angel purified
Why bug? Becuase angel refining and petrochem using purified water instead of vanilla, because vanilla water only need to purify and that's all