8 Supplies for Cleaning Fleece and Raw Wool at Home

Transforming a greasy, mud-caked raw fleece into a cloud of soft, clean fiber is one of the most rewarding milestones for any small-scale fiber producer or hobbyist. However, attempting this process without the proper setup can quickly turn a prized clip into a felted, ruined mess. Equipping a home workspace with the right tools ensures that grease and dirt wash away while preserving the natural elasticity and crimp of the wool.

Disclosure: As an Amazon Associate, this site earns from qualifying purchases. Thank you!

Preparing Your Workspace for Raw Wool Processing

Processing raw wool at home is a messy, wet, and highly aromatic endeavor that should never be done in a standard kitchen. Lanolin, the natural grease found in sheep’s wool, melts in hot water but solidifies as it cools, meaning it will quickly clog household plumbing. A dedicated workspace like a utility room, garage, or outdoor porch with access to hot water and a safe drainage area is essential.

Before bringing any fiber inside, set up a sturdy work table that can handle moisture and dirt. You will need clear pathways to move heavy tubs of hot water without splashing. Plan your drainage carefully, directing dirty, greasy water away from garden beds or sensitive septic systems, ideally onto a gravel path or a designated waste area.

Why Proper Temperature Control Prevents Felting

Felting occurs when wool fibers are subjected to the combined forces of heat, moisture, and agitation, causing the microscopic scales on the fibers to lock together permanently. While heat is necessary to melt stubborn lanolin, sudden temperature drops will shock the wool and cause immediate felting. Keeping the water temperature consistent throughout the washing and rinsing cycles is the golden rule of fleece processing.

To dissolve sheep grease effectively, the water must reach and maintain a temperature of at least 140°F (60°C). Anything cooler will simply smear the lanolin across the fibers, leaving the wool sticky and gummy. When transitioning the wool from the wash bath to the rinse bath, the rinse water must match the temperature of the wash water to prevent thermal shock.

Wash Tub – Behrens 15-Gallon Galvanized Steel Tub

A dedicated wash tub is the foundation of your fleece-washing station, providing enough volume for the wool to float freely without crowding. If the fibers are packed too tightly, dirt and grease get trapped in the center of the mass rather than washing away.

The Behrens 15-Gallon Galvanized Steel Tub is the ideal vessel for this task because of its exceptional durability and heat retention. Unlike plastic utility tubs that bow under the weight of hot water and crack over time, this heavy-duty steel tub holds its shape and maintains water temperatures longer.

• Capacity: 15 gallons, perfect for processing a whole fleece in manageable batches
• Material: Rust-proof, hot-dipped galvanized steel
• Features: Deep drop handles for secure lifting and a reinforced bottom

Before buying, remember that a full 15-gallon tub is incredibly heavy and difficult to tip safely. This tub is best suited for setups where you can siphon the water out or use a bottom drain plug modification. It is perfect for backyard hobbyists who need a virtually indestructible basin that can withstand years of outdoor use.

Wool Wash – Unicorn Power Scour Detergent

Standard laundry detergents or dish soaps are either too harsh for raw fleece or fail to strip away heavy grease at high temperatures. You need a specialized surfactant that targets lanolin while keeping the delicate protein fibers of the wool intact.

Unicorn Power Scour Detergent is formulated specifically to break down heavy grease and raw dirt at optimal washing temperatures. It excels at lifting away stubborn yellow grease locks without leaving a dulling residue or stripping the wool of its natural bounce.

• Formula: Highly concentrated, biodegradable, and optimized for hard water
• Application: Works efficiently at temperatures between 120°F and 140°F
• Scent: Mild, clean fragrance that neutralizes strong sheep odors

A little goes a long way, so over-applying this detergent will result in endless rinsing cycles. It requires precise measurement based on the weight of the dry fleece and the grease level of the specific breed. This wash is indispensable for anyone processing fine wools like Merino or Shetland, which carry heavy lanolin loads.

Mesh Wash Bag – Poleco Heavy Duty Laundry Bag

Placing raw wool directly into a tub of water makes it incredibly difficult to extract without agitating the fibers. A high-quality mesh bag keeps the locks organized and allows you to lift the entire batch out of the water in one gentle motion.

The Poleco Heavy Duty Laundry Bag features a robust, coarse mesh that allows dirt, sand, and soapy water to flow out freely while keeping the wool securely contained. The durable construction ensures the bag will not rip under the weight of water-logged fiber.

• Dimensions: 24 x 36 inches, offering ample room for wool to expand
• Closure: Heavy-duty rust-proof zipper with a protective elastic cover
• Material: Tear-resistant polyester mesh

Avoid stuffing the bag to capacity, as tight packing prevents the soapy water from penetrating the center of the wool mass. Fill the bag only halfway to allow the locks to float and open up. This bag is a must-have for processors who want to keep lock structures intact for combed top preparation.

Thermometer – Taylor Precision Dial Thermometer

Guessing water temperature by touch is a recipe for ruined wool or severe burns. Precise monitoring is the only way to ensure you are hot enough to melt lanolin but not so hot that you damage the fiber.

The Taylor Precision Dial Thermometer offers instant, highly accurate readings without the need for delicate digital screens or batteries that fail in wet environments. Its long stem allows you to measure the temperature deep within the wash tub without burning your fingers.

• Temperature Range: 0°F to 220°F, covering all wool-processing needs
• Design: 1.75-inch dial with a 5-inch stainless steel stem
• Mounting: Includes a vessel clip to hold the thermometer securely to the tub rim

Keep in mind that the dial can fog up if steam rises directly beneath it, so position it slightly away from the heaviest steam plumes. Regular calibration in boiling water is recommended to maintain accuracy over seasons of use. This tool is essential for anyone who wants to eliminate the guesswork and protect their fiber investment.

Drying Rack – Honey-Can-Do Gullwing Drying Rack

Wet wool is incredibly heavy and vulnerable to mildew if it does not dry quickly. A proper drying rack must support the weight of the wet fiber while maximizing airflow from both above and below.

The Honey-Can-Do Gullwing Drying Rack provides an exceptional amount of flat drying space, allowing you to spread the washed wool in a thin, even layer. Its adjustable wings can be angled to capture shifting sunlight or breeze, accelerating the drying process.

• Drying Space: Over 40 feet of linear drying area with dedicated mesh shelves
• Frame: Rust-resistant steel construction with sturdy support bars
• Portability: Folds completely flat for easy storage when not in use

When using this rack for loose wool, place a fine mesh screen or old window screen over the bars to prevent smaller locks from falling through. Avoid overloading the wings with dripping wet wool; squeeze out excess water thoroughly before laying the fiber out. It is the perfect solution for indoor or porch drying in humid climates where airflow is critical.

Hand Carders – Ashford Classic Hand Carders

Once the wool is clean and dry, the fibers must be opened up and aligned before they can be spun into yarn or used for felting. Hand carding transforms clumpy locks into airy, workable batts.

Ashford Classic Hand Carders are the industry standard for small-scale processors due to their ergonomic curved backs and durable wooden construction. The teeth are set in a flexible rubber backing that yields slightly to prevent fiber breakage during carding.

• TPI (Teeth Per Inch): 72 tpi, ideal for medium to fine wools
• Material: Beautiful, lightweight silver beech wood
• Handles: Ergonomic design that reduces wrist fatigue during long sessions

Carding requires a specific, relaxed wrist motion to avoid locking the teeth together and tearing the wool. Beginners often apply too much pressure, which wears out the carding cloth prematurely. These carders are perfect for hobbyists who want to prepare small batches of fiber with complete control over the blend and texture.

Rubber Gloves – Showa 282 Temres Insulated Gloves

Washing raw wool requires handling water hot enough to cause serious burns. Standard kitchen gloves are too thin to insulate against 140°F temperatures and quickly degrade when exposed to lanolin and strong detergents.

The Showa 282 Temres Insulated Gloves offer the perfect combination of waterproof protection, high-heat insulation, and breathability. They allow you to work comfortably in hot wash tubs without losing your grip or burning your hands.

• Insulation: Thermal insulation layer that protects hands from extreme water temperatures
• Grip: Rough surface coating that provides excellent traction on wet, slippery wool
• Breathability: Micro-ventilated membrane that prevents hands from sweating inside the glove

These gloves run slightly small, so purchasing one size up is recommended if you plan to wear liners or prefer an easier slip-on fit. They are relatively thick, which slightly reduces finger dexterity, but the safety and comfort they provide make them indispensable. These are a non-negotiable safety item for anyone processing wool at correct lanolin-melting temperatures.

Skirting Screen – Saint-Gobain ADFORS Hardware Cloth

Before a single lock of wool touches water, loose dirt, hay, second cuts, and dung tags must be removed. A skirting screen allows you to shake out these heavy contaminants without losing the usable fiber.

Using Saint-Gobain ADFORS Hardware Cloth to construct a simple skirting table is the most cost-effective way to get a professional-grade cleaning station. The rigid grid structure allows small debris to fall through to the ground while keeping the fleece supported.

• Mesh Size: 1/2-inch square grid, the perfect size for debris removal
• Material: Galvanized steel wire for rust resistance and durability
• Dimensions: Available in rolls, easily cut to fit custom wooden frames

The cut edges of hardware cloth are incredibly sharp and will snag wool or scratch skin if left exposed. It is critical to frame the screen with wood or wrap the edges in heavy-duty duct tape before use. This material is ideal for DIY-minded homesteaders who want to build a custom-sized skirting table tailored to their workspace.

Step-by-Step Guide to Washing Your Raw Fleece

Begin by laying your raw fleece out on your skirting screen, tips facing up. Take your time picking out large pieces of straw, burrs, and heavily soiled edges. Shake the screen vigorously to let dirt, dust, and short fiber clippings fall through to the ground before the wool ever gets wet.

Fill your wash tub with hot water heated to 140°F and stir in your specialized wool wash. Place your skirted wool loosely into mesh wash bags, then submerge them gently into the water. Never let running tap water pour directly onto the wool, as the force of the stream will cause immediate felting. Let the wool soak for 20 minutes to allow the heat and detergent to dissolve the lanolin.

Gently lift the mesh bags out of the tub and squeeze out the dirty water without wringing or twisting. Empty the tub, refill it with clean water at the exact same temperature, and submerge the bags for a rinse. Repeat this rinsing process until the water runs clear, always ensuring the water temperature remains consistent to prevent thermal shock.

How to Properly Dry and Store Cleaned Wool

After the final rinse, you must remove as much water as possible to speed up drying. Place the wet mesh bags into a washing machine and run a spin-only cycle to spin out the excess water. If a machine is not available, gently press the wool between thick towels to absorb the moisture.

Spread the damp wool in a thin, even layer across your drying rack. Place the rack in a warm, well-ventilated area away from direct sunlight, which can bleach and dry out the fibers. Never apply direct heat from a hairdryer or radiator, as this can make the wool brittle.

Once the wool is completely dry—which can take anywhere from 24 to 48 hours—store it in breathable cotton bags or pillowcases. Avoid airtight plastic bags, as any residual moisture will trap humidity and breed mold. Keep your stored wool in a cool, dry place, and add a few blocks of cedar or sachets of lavender to naturally deter moths.

With the right tools and a patient approach, processing raw fleece at home becomes a deeply satisfying rhythm of the homestead year. Investing in quality washing, monitoring, and carding gear not only protects your valuable fiber but also elevates the quality of your finished handspun yarn. By mastering these basic steps, you can confidently turn any raw clip into a beautiful, clean canvas ready for your next creative project.