The journal

Honest writing
from the
ground up.

Not marketing copy. Notes on what we're building, why we made the decisions we made, and what the industry gets wrong about sustainability in pet products. Written by Tom.

All entries
Sustainability
01

Why most cat scratchers
end up in landfill.

Most cat scratchers aren't designed to last — they're designed to be replaced. That's not a coincidence. Here's what the industry doesn't talk about, and what we decided to do differently.

5 min read · Sustainability
Materials
02

Bamboo, wood, sisal: what's actually in your cat's scratcher?

The pet industry loves "natural" on packaging. But what does that label actually mean — and how do the materials in most scratchers compare to the alternatives?

6 min read · Materials
Conscious Living
03

The refill economy:
buy once, refresh forever.

From razor blades to cleaning concentrates, a quiet shift is happening in how we think about ownership and waste. Here's where Culm fits into that movement.

5 min read · Conscious Living
Care Guide
04

Caring for your Culm:
making it last.

Culm is designed to be with your cat for years — not months. Here's everything you need to know about maintaining the post, when to swap the sleeve, and giving worn jute its best end of life.

4 min read · Care Guide
About Culm

A product built
from a real frustration.

Culm was built by Tom Proffitt — a sustainability professional who watched a perfectly good cat tower go in the bin and decided to do something about it. Eight cats. One skip. A replaceable jute sleeve.

Read the full story →
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