Gutenberg's Dank Pressing Co

Food-Grade Construction That Protects the Extract, Not Just the Bag

The filter bag is the only barrier between a grower's concentrate and contamination from inferior materials. Gutenberg's Dank Pressing Co. addresses this directly: every bag in the lineup — rosin press filters and bubble bags alike — uses 100% food-grade, dye-free nylon with double-stitched seams. The result is a bag that holds up under pressure, holds nothing back in terms of purity, and holds a micron rating that actually matches what the label says.

The Artisan's Case for All-Mesh Bubble Bags

Most bubble bag manufacturers cut costs by using cloth or canvas sidewalls with only a mesh bottom panel. Gutenberg's takes a different position: every bubble bag in the lineup is all-mesh, from top to bottom. This construction decision has a direct impact on extraction quality and session speed.

• Faster Drainage, Cleaner Grade Separation: All-mesh construction allows water to drain through the entire bag surface rather than only through the bottom panel. This accelerates drainage between passes, reduces the time trichomes spend in warm water, and produces cleaner separations between micron grades. The difference is most apparent during large-capacity runs where slow-draining bags extend total session time significantly. The 5 Gallon 8-Set includes every micron from 220µm through 25µm for growers who want the complete separation spectrum in one kit.
• Three Sizes for Three Scales of Operation: The bubble bag lineup scales from the 5 Gallon sets (up to half a pound per wash) through 20 Gallon configurations for mid-volume extraction, up to the 32 Gallon 8-Set capable of processing three pounds of flower material per wash. The 32 Gallon bags are the appropriate pairing for any washing machine setup in the Bubble Hash Machine collection.
• Sets Include Every Grade — Including the Drying Screen: Every Gutenberg's bubble bag set includes a 25µm pressing screen for drying hash patties, a storage bag, and an instructional brochure. Growers building an ice water setup from scratch receive a complete working kit rather than just bags, with no secondary purchase required to begin the drying step.

Choosing the Right Micron: Rosin Bag Selection by Starting Material

The single most impactful pressing variable — outside of temperature and pressure — is micron selection. The wrong micron rating for a given starting material either contaminates the extract with plant lipids and chlorophyll, or filters out yield that should have made it through. Gutenberg's rosin bags span the full range of solventless starting materials.

• 25–37µm — Full Melt Hash and Dry Sift: The 25µm bags and 37µm bags target the finest starting materials — full melt ice water hash and premium dry sift. These micron ratings retain virtually all plant matter while allowing fully separated trichome heads to flow through under pressure. Running flower through sub-40µm bags produces blowouts; these ratings exist specifically for washed and sifted inputs.
• 90–120µm — Flower Pressing, the Industry Standard: The 120µm bags represent the most widely used rating for whole flower pressing — enough filtration to keep plant material contained without restricting rosin flow from a well-hydrated, properly loaded pack. The 90µm option suits drier flower and trim where slightly tighter filtration improves clarity without sacrificing yield. Both sizes are available in 50-packs for growers running regular press sessions. Compare options from other manufacturers in the Supreme Rosin lineup for back-to-back evaluation.
• Larger Bag Sizes for Commercial Plate Dimensions: Growers pressing on plates larger than 3" × 4" need appropriately sized bags to maintain fill density and avoid edge blowouts. The 3" × 6" bags and 2.5" × 4.5" bags serve mid-to-large plate configurations where the standard 2" × 4" format leaves press area uncovered. Pairing bag size to plate size is the simplest technique for maximizing surface contact and per-press yield. Add parchment paper to the workflow to collect cleanly without waste. For the presses themselves, the NugSmasher Rosin Presses collection covers the full tonnage range that Gutenberg's bags are designed to pair with.

Getting the Most from Every Press and Every Wash

The hardware and the consumables both matter — but technique is what determines whether a session produces full-melt quality or middling yield regardless of bag rating.

• Pre-Press to Fill Density, Not Just Pack Weight: A loose, uncompressed pack distributes pressure unevenly across the bag surface and increases blowout risk at the seam edges. Using a pre-press mold to form a uniform puck before loading the bag reduces this stress concentration and produces more even rosin flow across the plate. The tighter the puck, the more predictably the bag performs under tonnage.
• Temperature Governs Consistency, Not Just Yield: Low-temp pressing (160–185°F) preserves terpene content and produces a more stable, sappier rosin at the cost of some yield percentage. High-temp pressing (200–220°F) maximizes yield but accelerates terpene loss and produces a runnier, less stable product. Gutenberg's bags handle the full temperature range — the limiting factor is the press, not the filter.
• For Ice Water: Keep Everything Cold Throughout: Trichome heads become sticky and clump as temperatures rise, degrading separation quality and making all-mesh drainage less effective. Maintaining water temperature below 40°F throughout the wash — not just at the start — produces cleaner grade separations and better final product quality regardless of which Gutenberg's bubble bag set is in use.

Whether the workflow runs through a rosin press or a washing machine, Gutenberg's Dank Pressing Co. provides the consumables that sit between the raw input and the finished extract. Sourcing both the bags and the equipment from the same place simplifies replenishment and ensures consistent compatibility across every session.

Frequently Asked Questions