If you are starting a red wiggler bin, shredded paper can be a useful bedding material—but the way you prepare it matters. Bedding gives Eisenia fetida a damp, aerated place to live while also becoming part of the material they process.
Ficarro Farms has tested clean shredded paper as a starting medium for red wigglers many times. In our experience, the worms readily settle into it and do well when bedding is prepared with the right moisture and airflow. That is farm experience, not a guarantee that every paper product or every bin will perform identically.
What bedding needs to do
- Moisture: red wigglers breathe through their skin, so bedding must stay damp without becoming waterlogged.
- Air space: fluffed bedding helps keep oxygen moving through the bin.
- A manageable carbon base: paper, cardboard, leaves, and similar materials help structure the bin and balance wet food scraps.
Oregon State University Extension recommends mixing dry bedding materials and moistening them until they feel like a wrung-out sponge. It cautions against glossy paper and cross-cut shreds, which can compact more readily.
How to prepare shredded paper bedding
1. Start with clean untreated paper
Use clean paper intended for bedding or ordinary uncoated paper. Avoid glossy, slick, heavily colored, or chemically treated materials. Do not assume every shredded-paper product is interchangeable: shred shape, paper type, and moisture level affect behavior.
Ficarro Farms’ Premium Paper Bedding is listed as clean, unused, micro-cut shredded paper for worm bedding and other animal-bedding uses. Check the product page for current contents and availability.
2. Fluff before adding water
Separate compressed clumps with your hands. The goal is a loose, springy material with open spaces—not a dense mat.
3. Add water gradually
Sprinkle or mist the paper while turning it over. Stop when bedding is evenly damp and feels like a wrung-out sponge. A few drops may come out when you squeeze a handful, but water should not pour from it or pool at the bottom.
Illinois Extension gives the same practical test: moist bedding should release a few drops when squeezed; correct excess water with additional dry bedding.
4. Let bedding settle before adding many scraps
For a new bin, add worms to prepared bedding and allow them to acclimate before feeding heavily. Introduce food gradually and observe what happens rather than assuming a new bin can process a large amount immediately. If you are deciding how many worms fit your project, see How Many Red Wigglers Do I Need?
How much bedding should you use?
The right amount depends on the bin, the amount of food added, and how often bedding is replaced. Oregon State’s guide describes roughly 4–6 inches for a typical worm bin and recommends keeping fresh bedding over worms and food. That is a reference point, not a universal rule for every container.
Paper bedding troubleshooting
The bedding is too wet
Add dry, fluffed paper and mix it through wet areas. Check for pooling water and restricted ventilation.
The bedding is drying out
Add water gradually and mix rather than soaking one spot. Check the lid, ventilation, room temperature, and how often the bin is opened.
The bedding is compacting
Loosen it and add fresh dry bedding. Fine particles and cross-cut paper can compact; do not pack bedding down.
Food is accumulating or the bin smells sour
Pause feeding, add dry bedding, and improve airflow. Feeding should increase only as the worms and bin demonstrate that they are processing what has already been added.
A simple classroom observation
Paper bedding can support a classroom question: How does bedding moisture affect where red wigglers are found? Students can compare two prepared sections, record moisture condition, count worms at set times, and discuss how a controlled change differs from making the whole bin wetter. Keep the activity observational and humane; return worms to prepared bedding promptly.
Before ordering worms or bedding
Prepare the bin first. Decide whether the project is for observation, a small home colony, or ongoing composting. Then compare the live red wiggler listings and choose a count that fits the container and care plan. For general care, see Caring for Worms. Contact Ficarro Farms for unusual or date-sensitive projects.
Source notes
- Oregon State University Extension, Composting with worms: biology, bedding, moisture, airflow, and feeding.
- University of Illinois Extension, Vermicomposting: shredded-paper bedding and moisture test.
- Ficarro Farms Premium Paper Bedding: product description and intended uses, checked October 1, 2026.
Explicit uncertainties and limits
- “Clean” and “unused” describe the current product page; this article does not independently test every contaminant or additive.
- Farm experience with shredded paper is experience, not a controlled trial or guarantee of growth, reproduction, or composting speed.
- Moisture targets and bedding depth depend on container design, ventilation, temperature, food load, and observation.
- Product contents, availability, and shipping options can change.