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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How to Compost Birthday Party Cake and Plates
A birthday party generates a specific mess — cake scraps with frosting, paper plates with smears of buttercream, candle stubs, balloon bits. Here’s how to compost the parts that compost and trash the parts that don’t, without making the cleanup miserable.
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The Basics of Greenhouse Gas Emissions From Landfills
Landfills are the third-largest source of human-caused methane emissions in the US. The reason is what happens to food and yard waste buried under tons of trash without oxygen. Here’s the chemistry, the math, and why composting is the alternative that matters.
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Compost Yard Signs: Educating Neighbors Without Lecturing
A small yard sign next to your compost pile is more persuasive than a long conversation with skeptical neighbors. Here’s what to say on the sign, what to avoid, and how to design something that opens doors instead of starting fights.
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Lifecycle Assessment of Compostable vs Recyclable vs Reusable Foodware: What the 2026 Data Actually Shows
An honest data-driven look at what lifecycle assessments show when comparing compostable, recyclable, and reusable foodware in 2026 — including where each pathway wins, where each one fails, and what B2B buyers should actually conclude.
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Should I Cover My Compost Pile?
Whether to cover a compost pile is one of the most asked questions in backyard composting. The right answer depends on your climate, your pile size, and what you’re trying to optimize. Here’s when a cover helps, when it hurts, and how to do it right.
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Should I Buy a Tumbler or Use an Open Pile?
Compost tumblers cost $100-400. Open piles cost zero. The tumbler is marketed as faster and easier, but the reality is more complicated. Here’s a real comparison — what each does well, what each does badly, and which one fits your situation.
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Spreading Compost on Lawns: Application Rates That Don’t Burn Grass
Compost is the cleanest lawn amendment available, but spread it too thick and you’ll smother the grass and burn off the tender shoots. Here’s how to topdress a lawn with compost correctly — rates per 1,000 sq ft, screening, and the timing that lets grass actually use it.
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What Happens if I Throw Compostable Items in the Recycling Bin?
Throwing a compostable cup into the recycling bin feels like the right call when there’s no compost bin nearby. It’s not. Here’s what actually happens to compostable items at the recycling sorting facility and why this single mistake undermines both recycling and composting.
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10 Compostable Items Every Bakery Needs
Bakeries have an unusual packaging profile — small items, lots of grease, lots of moisture, often heated when boxed. Here are the 10 compostable items that handle bakery foodservice without falling apart, with sizing notes and what to spec.
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Graduation Parties: Compostable Cup Setup for Crowds
Graduation parties have a predictable cup problem: 60-120 guests, four hours, hot and cold drinks, kids and adults, and nobody wants to do dishes afterward. Here’s how to set up a compostable cup system that handles the crowd without becoming a logistics headache.
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A Buyer’s Guide to Compostable Ketchup Cups
Compostable ketchup cups look identical from a distance and behave wildly differently in the kitchen. Here’s what actually matters when you’re spec’ing them for a restaurant — material, lid fit, oil resistance, and what the certifications mean in practice.
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Mushroom Stems: Composting and Stock Uses
Mushroom stems are often tossed without thought — but they compost well, make excellent stock, and contain more flavor than people realize. Here’s how to use them in the kitchen and the pile.