Abstract: Filter pads useful for filtering and removing contaminants from fluids comprise at least two pad layers of a permeable, nonwoven polymer material, where one pad layer is connected to another pad layer to form a pocket therebetween having an opening extending into the pocket and at least one of the pad layers has sufficient structural integrity or rigidity to maintain the shape of the filter pad in a filter apparatus during use. In addition, methods for removing contaminants from fluids comprise passing fluid through filter pads having a pocket having an opening extending therein.

Abstract: An improved animal litter is disclosed which extends the life of clay containing litter two to three times by the use of zeolites, such as clinoptilolite.

Abstract: The present invention relates to a fish feeding block and method of making the block. The fish feeding block is comprised of a supporting block formed of a solidified mixture of plaster of Paris and a hygroscopic substance. A plurality of fish food pellets are interspersed substantially throughout the supporting block. A piece of freeze dried fish food is also disposed within the supporting block. The block is formed by mixing plaster of Paris with water and a hygroscopic substance to form a first mixture. A plurality of fish food pellets are mixed into the first mixture to form a second mixture. The second mixture is thereafter poured into a mold. The second mixture is allowed to set within the mold until it reaches a thickened state. A piece of freeze dried fish food is then injected into the second mixture. The second mixture is allowed to solidify and then removed from the mold.