Compostable Packaging Resources & Guides
Welcome to the Pure Compostables resource library — a working set of in-depth guides written for the people who actually procure, evaluate, and switch to compostable packaging. You’ll find detailed certification breakdowns (BPI, TUV, EN 13432, ASTM D6400 and beyond), step-by-step playbooks for transitioning a business away from conventional plastics, and product selection guides covering bag sizes, materials, and use cases. Every article is written from the perspective of a manufacturer with thirteen years of operating experience — not a marketing team. Use the categories below to navigate by topic, or browse the most recent guides directly. If your question isn’t answered here, our team is happy to help — start with our wholesale page or send us a note via the contact page.
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Cut Flowers: How Long Before They Compost in a Bin
Wedding centerpieces, anniversary roses, supermarket tulips — they all end up in the bin eventually. Real timelines for cut flower decomposition in backyard piles, tumblers, and worm bins, broken down by flower type, stem thickness, and whether they came wrapped in floral foam.
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RV Composting Toilets: How They Actually Work
An RV composting toilet doesn’t actually compost — it dehydrates solids and diverts urine separately, eliminating the black tank entirely. How they work, what maintenance actually looks like, the brand differences, and the failure modes nobody mentions in the YouTube videos.
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9 Compostable Materials Ranked by Source Renewability
Compostable isn’t the same as renewable. A material can break down beautifully in a commercial facility and still be made from a slow-growing, resource-intensive feedstock — or the reverse. 9 common compostable foodware materials ranked by how fast and sustainably their inputs regenerate.
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7 Spec Mistakes That Make Compostable Cups Leak
Compostable cups leak more often than they should — and almost every time it’s a spec mistake the buyer made before the order shipped, not a manufacturing defect. The seven errors in cup spec that cause leaks at customer-facing operations, and how to avoid each.
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The Indoor Worm Bin That Disappears Into a Closet: Setup, Maintenance, and the Real Apartment Vermicomposting Playbook
For apartment dwellers without outdoor space, a properly set up indoor worm bin tucks into a closet and processes a household’s food scraps invisibly. The complete setup guide — bin choice, location, daily routine, troubleshooting — for the urban composter.
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A Compostable Soda Can Tab: Real or Aspirational?
An honest look at whether compostable soda can tabs exist — what’s actually been developed, what would be needed for a real product, and why the aluminum tab specifically has been one of the harder packaging components to replace with a compostable alternative.
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9 Reasons Your Compost Pile Isn’t Heating Up (And What to Do About Each)
A cold compost pile means microbes aren’t active, which means breakdown isn’t happening. The 9 specific reasons a pile won’t heat up — from C:N ratio to particle size to pile volume — and the diagnostic to figure out which one applies to yours.
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9 Compostable Brand Stories Worth Knowing
The compostable foodware industry has been built by specific founders solving specific problems. Nine brand stories — from Eco-Products’ co-op origins to Vegware’s UK consolidation — that illuminate how the industry came to be what it is in 2025.
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Wedding Centerpieces You Can Compost After the Event
Most wedding centerpieces end up in the trash by Monday morning. A few specific design choices — local seasonal flowers, no floral foam, natural-material containers — make the same beautiful centerpiece fully compostable. Here’s the working playbook for the wedding designer.
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Can I Compost Pizza Boxes? The Grease, the Cheese, and the Rules That Actually Matter
The honest answer to whether you can compost pizza boxes — yes for most municipal compost programs in 2025, no for backyard piles with significant grease, and the specific things to know about how greasy is too greasy.
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Are All Plant-Based Items Eco-Friendly? Why the Label Means Less Than You Think
Plant-based doesn’t automatically mean eco-friendly. A plant-derived product can have a worse environmental footprint than a petroleum-based equivalent depending on growing practices, processing, end-of-life pathway, and lifecycle math. Here’s why the label means less than people assume.
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Thanksgiving Leftovers: Compostable Storage Options That Actually Work
After Thanksgiving dinner, you’ve got 8-15 pounds of leftovers and not enough containers. The practical guide to compostable storage options that actually hold up in the fridge for the four days of post-holiday eating — bagasse boxes, beeswax wraps, sugarcane fiber containers, and what specifically not to use.