Diatomaceous earth (DE), Celatom, by EP Minerals, is a filtration media composed of microscopic diatoms silica structures millions of years old. DE is used in the beer and wine industries as an extremely effective economical filtration media to facilitate liquid-solid separating. DE’s uniquely strong cylindrical geometry shape and its high-pore volume and low resistance to flow, make it the go-to filter medium.
Fiber Floc Vac is a specially-formulated inert filter-aid containing highly purified alpha cellulose and cotton fibers in addition to perlite. The primary function of this product is for the initial precoat layer on a screen filter including rotary drum and pressure leaf filter. Fiber Floc helps extend the life of your screens, improves clarity with lees bleed through, and improves filter cake stability.
Perlite is a lightweight expanded bubble structure derived from volcanic glass that’s milled and classified into powders that are used in both pressure and vacuum filtration equipment. Perlite filter aids are inert and will impart no taste or odor into wine, and are virtually insoluble in mineral and organic acids at all temperatures.