Issue 01 — Spring 2026

Urban hydroponics, measured not guessed.

We test systems, lights and nutrients in a small Madrid apartment, then publish what worked, what didn't, and the numbers behind both.

Hydroponic lettuce growing in a net pot with visible roots and water droplets

Sections

Four working benches.

Lab Notes

One experiment, every other Sunday.

A short email with one new build, one debunked myth, and the spec sheet we'd actually buy this week.

Signups aren't wired up yet — this is a placeholder while we finish the lab.