Potash (Potassium Carbonate) – Traditional Aid in Violin Making Potash, also known as potassium carbonate, is a proven aid in violin making and the woodworking of string instruments. Traditionally, it is used for the preparation of wood stains and for the pre-treatment of tonewoods to enhance the grain and ensure even color absorption. Benefits & Uses Classic component for stain and surface treatment recipes in instrument making Opens wood pores and enhances natural color depth Easily soluble in water for custom mixtures Suitable for maple, spruce, and other tonewoods Product Details Chemical name: Potassium carbonate Form: Fine white powder Purity: High purity, suitable for craftsmanship in instrument making Safety Notice Potash is a mild alkali. Always wear protective gloves and safety goggles when mixing. Not suitable for food use. With potash, you rely on a traditional, versatile, and proven material for the optimal preparation of wood surfaces in violin making.

Iron(II) Sulfate – Stain & Wood Preparation for String Instruments Iron(II) sulfate is traditionally used in violin making as part of staining solutions to enhance the natural color of maple and spruce. In combination with tannins in the wood, it produces warm, brownish tones that serve as a base for the subsequent varnishing. Application: In aqueous solution, optionally combined with gallnut or tea extract Function: Reacts with wood components to create a natural pre-coloring Use: Violin, viola, cello, and other string instruments Tip: Test on scrap wood first to evaluate the color effect Note: Chemical product – wear suitable protective gloves and avoid contact with skin and eyes.

Complete Varnishing Kit for a Violinincl. Step-by-Step Instructions This comprehensive set includes all materials needed for the complete varnishing process of a violin – from staining the raw wood to the final polish. It is designed for anyone looking to finish their instrument independently and with precision – suitable for both beginners and advanced users. A detailed, practice-proven guide takes you step by step through the entire varnishing process – from wood preparation to a high-gloss finish. The included instructions cover both oil varnish and spirit varnish and explain the specific techniques, drying times, and application tips for each. ✅ Choose the right varnish for your skill level: We recommend oil varnish for beginners: Oil varnish dries slowly and allows for even, controlled application. This gives beginners ample time to work carefully and get familiar with the process. Minor mistakes can be corrected easily. The result is a warm, classic finish with soft depth and glow. We recommend spirit varnish for advanced users: Spirit varnish is alcohol-based and dries very quickly, requiring practiced, confident handling. Those with experience will appreciate its brilliant clarity, vivid color tones, and the traditional recipe used in professional violin making. Please select your preferred varnish type when ordering – all other materials are tailored accordingly. Kit contents: Sandpaper for wood preparation Gelatine (pre-stain treatment) Stain 421 Staining sponge Primer varnish Color varnish in the chosen shade (oil- or spirit-based) Coating varnish Thinner (matched to varnish type) Neck polish High-quality varnishing brush Tripoli powder (fine abrasive for intermediate sanding) Polishing oil Varnish cleaner Polish for the final finish Conclusion: Whether you're varnishing your first violin or completing a more advanced project – this complete kit provides everything you need. The detailed instructions guide you reliably through every step – no matter if you're working with oil or spirit varnish.

Complete assortment for varnishing a cello This is a complete collections, which includes all materials for varnishing a violin - from staining until polishing. You will also receive detailed Varnishing instructions, which you approach to varnish a violin, step by step. The full assortment includes the following material: sandpaper to woodworking, gelatin (pre-stain), Antique stain 421, Staining sponge,primer varnish, varnish, in the color you wish, coating varnish, dilution, Grip poilsh, Varnishing brush, rottenstone to grind, polishing oil, Polish. Prior knowledge: Advanced. We recommend the spirit varnish for proficient, because the varnish dries quickly and is therefore more difficult to paint as oil varnish.

Complete assortment for varnishing a double bass This is a complete collections, which includes all materials for varnishing a violin - from staining until polishing. You will also receive detailed Varnishing instructions, which you approach to varnish a violin, step by step. The full assortment includes the following material: sandpaper to woodworking, gelatin (pre-stain), Antique stain 421, Staining sponge,primer varnish, varnish, in the color you wish, coating varnish, dilution, Grip poilsh, Varnishing brush, rottenstone to grind, polishing oil, Polish. Prior knowledge: Advanced. We recommend the spirit varnish for proficient, because the varnish dries quickly and is therefore more difficult to paint as oil varnish.

Complete assortment for varnishing a violin This is a complete collections, which includes all materials for varnishing a violin - from staining until polishing. You will also receive detailed Varnishing instructions, which you approach to varnish a violin, step by step. The full assortment includes the following material: sandpaper to woodworking, gelatin (pre-stain), Antique stain 421, Staining sponge,primer varnish, varnish, in the color you wish, coating varnish, dilution, Grip poilsh, Varnishing brush, rottenstone to grind, polishing oil, varnish cleaner, Polish. Prior knowledge: None. With the oil varnish can each get a good varnishing result. The varnish can be very good and easy paint.

Complete assortment for varnishing a cello This is a complete collections, which includes all materials for varnishing a violin - from staining until polishing. You will also receive detailed Varnishing instructions, which you approach to varnish a violin, step by step. The full assortment includes the following material: sandpaper to woodworking, gelatin (pre-stain), Antique stain 421, Staining sponge,primer varnish, varnish, in the color you wish, coating varnish, dilution, Grip poilsh, Varnishing brush, rottenstone to grind, polishing oil, varnish cleaner, Polish. Prior knowledge: None. With the oil varnish can each get a good varnishing result. The varnish can be very good and easy paint.

Complete assortment for varnishing a double bass This is a complete collections, which includes all materials for varnishing a violin - from staining until polishing. You will also receive detailed Varnishing instructions, which you approach to varnish a violin, step by step. The full assortment includes the following material: sandpaper to woodworking, gelatin (pre-stain), Antique stain 421, Staining sponge,primer varnish, varnish, in the color you wish, coating varnish, dilution, Grip poilsh, Varnishing brush, rottenstone to grind, polishing oil, varnish cleaner, Polish. Prior knowledge: None. With the oil varnish can each get a good varnishing result. The varnish can be very good and easy paint.

Varnishing Kit II for ViolinRefill Set incl. Instructions This varnishing kit is a refill set designed for users who already have basic materials at home or have previously used our Varnishing Kit I. It’s ideal for anyone planning to varnish another instrument and does not require a full starter set. As always, a detailed step-by-step instruction manual is included to guide you safely through the complete varnishing process. The instructions cover both oil-based and spirit-based varnish and explain the differences in application, drying time, and handling. ✅ Choose the right varnish for your skill level: We recommend oil varnish for beginners: Oil varnish dries slowly and allows for smooth, controlled application. The longer working time is ideal for those new to varnishing, as minor mistakes can be easily corrected. The result is a warm, silky sheen with classical depth. We recommend spirit varnish for advanced users: Spirit varnish dries quickly and requires confident, practiced handling. It delivers brilliant color, high transparency, and a traditional glossy finish – perfect for experienced users. Please select your preferred varnish type – oil or spirit – when ordering. Contents of the refill set: Primer varnish Color varnish in your selected shade (oil- or spirit-based) Coating varnish Thinner (matched to the varnish type) Gelatine (pre-stain treatment) Stain 421 Tripoli powder (fine abrasive for intermediate sanding) Gloss & care polish Varnishing guide (suitable for both varnish types) Conclusion: This refill kit is ideal for those who already own a basic set or don’t need every component again. Varnishing Kit II provides all essential materials for a high-quality finish – with clear, easy-to-follow instructions included.

This varnishing assortment is a refill set. This is intended for users who already have some products at home or who previously had varnishing assortment I. Content: Primer varnish Color varnish (of your choice) Coating varnish Dilution Gelatine (pre-pickling) Stain 421 Rottenstone Cleaning- and care polish Varnishing instructions

Gift Vouchers – The Perfect Present for Violin Makers and Music Lovers Are you looking for a special gift for violin makers, restorers, or music enthusiasts? Our gift vouchers for Hammerl Violin Varnishes are just the thing! They offer creativity and the opportunity to select high-quality varnishes and accessories specifically developed for string instruments from our wide range. With a Hammerl gift voucher, you open the door to our extensive selection of violin varnishes, stains, and other supplies – ideal for restoration, repair, or personalized finishing touches on violins. Important Note: Our gift vouchers can be redeemed exclusively in the online shop. They cannot be used in our physical store. Gift Voucher Details Value: Choose any amount between €5.00 and €500 The voucher is sent via email Validity: 3 years from the date of issue To redeem, enter the voucher code in the "Voucher Code" field during checkout The voucher can be used multiple times until the balance is fully spent Why choose a Hammerl gift voucher? Flexibility: The voucher can be easily redeemed anytime and anywhere in our online shop. High-Quality Products: Our varnishes are specially formulated for optimal sound quality, durability, and aesthetics. Tradition & Innovation: Benefit from our long-standing experience and craftsmanship expertise. Give the gift of inspiration, quality, and craftsmanship passion – with a Hammerl violin varnish gift voucher!