Winemaking

• Yeast - non-saccharomyces yeast cultures, S. cerevasie cultures, Frozen yeast cultures
• Yeast Nutrients - rehydration nutrient, complex yeast nutrient, time-release nutrient tablets
• Malolactic Bacteria - frozen and freeze-dried direct inoculation bacteria cultures 
• Malolactic Bacteria Nutrients & Aids - complex malolactic bacteria nutrient, Lactizyme (lysozyme)
• Enzymes - micro-granulate and liquid enological enzymes
• Enological Tannins -100% white wine grape skin and seed tannins for vinification, aging, and finishing

• Cellar Chemicals - acid additions, cleaning agents, SO₂ additons
• Fining Agents - Divergan F® PVPP, Gelatin, Silica Gel, Carbon
• Stabilizing Agents - Claristar®, cream of tartar

• Fiber filter aids - soft/hard wood cellulose, charged/uncharged cotton linters, Fiber/Perlite blends 
• Filter sheet media - for coarse, polish, clarifying, sterile, and pre-membrane filtration applications
• Stack filter media - for clarification and pre-sterile filtration applications
• Carbon filter media- ideal alternative to loose carbon
• Membrane filtration - for clarification, pre-sterile, and sterile filtration
• Filter housings - both stack and membrane housings available in a variety of sizes and finishes
• Cross-flow filters - low pressure operation units available in a number of different sizing options
• Hoses and Accessories - Blaudieck hose in various diameters and accessories

Gusmer Enterprises is uncompromising in raw material selection. Only the highest quality American and French oak from premium heartwood qualifies for our programs. Our proprietary toasting process brings out very distinct oak attributes, such as vanilla, butterscotch, clove, smoke, and others. Consistent, predictable results are the hallmark of Gusmer’s oak program, offering only the finest oak adjuncts.

• Equipment - OenoFoss, refractometers, pH meters, scales, stir plates, etc.
• Chemicals - pH buffers, alcohol, copper sulfate solutions, hydrochloric acid, etc.
• Consumables - Kimwipes, Parafilm, etc.
• Labware - flasks, cylinders, beakers, pipets, etc.
• Microbial Monitoring - culture media, membrane filtration, test kits, reference materials, etc.

• The Wine Lab™ - Gusmer Enterprises has owned and operated The Wine Lab™ in Napa, CA since 2003. There we've provided not only standard chemical and microbial testing but also provided consultative services on fermentation, filtration, etc. The Wine Lab takes samples in a number of different forms always try to keep the following in mind:
  • Grape and Juice Samples - Always include a cooler pack with grape clusters or juice samples. When possible juice and fermenting samples should be dropped off at our facility as they are liable to ferment.
  • Cellar Samples - Take a representative sample of the wine., using proper composite samples if the wine is in several tanks or barrels.
  • Bottled Wines - An unopened bottle is required for post-bottling microbial analysis.