A composite filter aid comprising: at least one filtration component and at least one adsorption component that has been precipitated in-situ on the surface of the at least one filtration component, wherein the composite filter aid has: (i) a pore size ratio of at least 200 wherein the pore size ratio refers to the ratio of pore size diameter using a volumetric based, Volume, approach, to pore size diameter using a surface area based, Area, approach as measured using a Micromeritics AutoPore IV Mercury Porosimeter which measures pore diameters ranging from 0.006 to 600 μm, using a contact angle set at 130 degrees and a pressure ranging from 0 MPa to 228 MPa (0 psi to 33000 psi), wherein the pore size diameter, Volume, is also referred to as a V50 median pore diameter and is the median pore diameter calculated at the 50% of the total intrusion volume; and the pore size diameter, Area, is also referred to as an A50 median pore diameter and is the median pore diameter calculated at the 50% of the total pore area; or (ii) an Average Pore Diameter, 4V/A, ranging from 0.1 micron to 0.5 micron as measured using a Micromeritics AutoPore IV Mercury Porosimeter which measures pore diameters ranging from 0.006 to 600 μm, using a contact angle set at 130 degrees and a pressure ranging from 0 MPa to 228 MPa (0 psi to 33000 psi); and a Total Pore Area ranging from 10 to 100 m 2 /g as measured using a Micromeritics AutoPore IV Mercury Porosimeter which measures pore diameters ranging from 0.006 to 600 μm, using a contact angle set at 130 degrees and a pressure ranging from 0 MPa to 228 MPa (0 psi to 33000 psi); wherein the at least one filtration component is diatomite and wherein the at least one adsorption component is a precipitated silica and further wherein the at least one adsorption component comprises greater than 25% to less than 40% by weight of the composite filter-aid and the filtration component comprises greater than 25% by weight of the composite filter-aid. at least one filtration component and at least one adsorption component that has been precipitated in-situ on the surface of the at least one filtration component, wherein the composite filter aid has: (i) a pore size ratio of at least 200 wherein the pore size ratio refers to the ratio of pore size diameter using a volumetric based, Volume, approach, to pore size diameter using a surface area based, Area, approach as measured using a Micromeritics AutoPore IV Mercury Porosimeter which measures pore diameters ranging from 0.006 to 600 μm, using a contact angle set at 130 degrees and a pressure ranging from 0 MPa to 228 MPa (0 psi to 33000 psi), wherein the pore size diameter, Volume, is also referred to as a V50 median pore diameter and is the median pore diameter calculated at the 50% of the total intrusion volume; and the pore size diameter, Area, is also referred to as an A50 median pore diameter and is the median pore diameter calculated at the 50% of the total pore area; or (ii) an Average Pore Diameter, 4V/A, ranging from 0.1 micron to 0.5 micron as measured using a Micromeritics AutoPore IV Mercury Porosimeter which measures pore diameters ranging from 0.006 to 600 μm, using a contact angle set at 130 degrees and a pressure ranging from 0 MPa to 228 MPa (0 psi to 33000 psi); and a Total Pore Area ranging from 10 to 100 m 2 /g as measured using a Micromeritics AutoPore IV Mercury Porosimeter which measures pore diameters ranging from 0.006 to 600 μm, using a contact angle set at 130 degrees and a pressure ranging from 0 MPa to 228 MPa (0 psi to 33000 psi); (i) a pore size ratio of at least 200 wherein the pore size ratio refers to the ratio of pore size diameter using a volumetric based, Volume, approach, to pore size diameter using a surface area based, Area, approach as measured using a Micromeritics AutoPore IV Mercury Porosimeter which measures pore diameters ranging from 0.006 to 600 μm, using a contact angle set at 130 degrees and a pressure ranging from 0 MPa to 228 MPa (0 psi to 33000 psi), wherein the pore size diameter, Volume, is also referred to as a V50 median pore diameter and is the median pore diameter calculated at the 50% of the total intrusion volume; and the pore size diameter, Area, is also referred to as an A50 median pore diameter and is the median pore diameter calculated at the 50% of the total pore area; or (ii) an Average Pore Diameter, 4V/A, ranging from 0.1 micron to 0.5 micron as measured using a Micromeritics AutoPore IV Mercury Porosimeter which measures pore diameters ranging from 0.006 to 600 μm, using a contact angle set at 130 degrees and a pressure ranging from 0 MPa to 228 MPa (0 psi to 33000 psi); and a Total Pore Area ranging from 10 to 100 m 2 /g as measured using a Micromeritics AutoPore IV Mercury Porosimeter which measures pore diameters ranging from 0.006 to 600 μm, using a contact angle set at 130 degrees and a pressure ranging from 0 MPa to 228 MPa (0 psi to 33000 psi); wherein the at least one filtration component is diatomite and wherein the at least one adsorption component is a precipitated silica and further wherein the at least one adsorption component comprises greater than 25% to less than 40% by weight of the composite filter-aid and the filtration component comprises greater than 25% by weight of the composite filter-aid.