def METHOD_NAME(m, base="TDS"):
    """
    Builds a property package for the specified base. Includes default scaling.
    Bases include: 'TDS', 'ion', 'salt'.
    """
    if base == "TDS":
        m.fs.prop_TDS = seawater_prop_pack.SeawaterParameterBlock()
        m.fs.prop_TDS.set_default_scaling(
            "flow_mass_phase_comp", 1, index=("Liq", "H2O")
        )
        m.fs.prop_TDS.set_default_scaling(
            "flow_mass_phase_comp", 1e2, index=("Liq", "TDS")
        )
    elif base == "ion":
        m.fs.prop_ion = seawater_ion_prop_pack.PropParameterBlock()
        m.fs.prop_ion.set_default_scaling(
            "flow_mass_phase_comp", 1, index=("Liq", "H2O")
        )
        m.fs.prop_ion.set_default_scaling(
            "flow_mass_phase_comp", 1e2, index=("Liq", "Na")
        )
        m.fs.prop_ion.set_default_scaling(
            "flow_mass_phase_comp", 1e4, index=("Liq", "Ca")
        )
        m.fs.prop_ion.set_default_scaling(
            "flow_mass_phase_comp", 1e3, index=("Liq", "Mg")
        )
        m.fs.prop_ion.set_default_scaling(
            "flow_mass_phase_comp", 1e3, index=("Liq", "SO4")
        )
        m.fs.prop_ion.set_default_scaling(
            "flow_mass_phase_comp", 1e2, index=("Liq", "Cl")
        )
    elif base == "salt":
        m.fs.prop_salt = seawater_salt_prop_pack.PropParameterBlock()
        m.fs.prop_salt.set_default_scaling(
            "flow_mass_phase_comp", 1, index=("Liq", "H2O")
        )
        m.fs.prop_salt.set_default_scaling(
            "flow_mass_phase_comp", 1e2, index=("Liq", "NaCl")
        )
        m.fs.prop_salt.set_default_scaling(
            "flow_mass_phase_comp", 1e3, index=("Liq", "CaSO4")
        )
        m.fs.prop_salt.set_default_scaling(
            "flow_mass_phase_comp", 1e3, index=("Liq", "MgSO4")
        )
        m.fs.prop_salt.set_default_scaling(
            "flow_mass_phase_comp", 1e3, index=("Liq", "MgCl2")
        )
    elif base == "eNRTL":
        m.fs.prop_eNRTL = GenericParameterBlock(**entrl_config_FpcTP.configuration)
        # default scaling in config file
    else:
        raise ValueError(
            "Unexpected property base {base} provided to build_prop"
            "".format(base=base)
        )