What is colloidal silver? A plain-English guide
Colloidal silver explained simply: what's in it, how it's made, what colour it should be, what ppm means, and why it isn't a medicine in the UK.
Colloidal silver guides
Plain-English explainers on what colloidal silver is, how it's made, what the numbers mean and how to look after it. Written by the people who make it.
What does ppm mean on colloidal silver?
ppm means parts per million. Here's what 5, 10, 20 and 30ppm mean in milligrams of silver, how makers measure it, and whether higher is better.
Colloidal silver vs ionic silver: what's the difference?
Ionic silver is mostly dissolved silver ions; a true colloid is mostly tiny silver particles. How to tell them apart, plus silver protein products.
How colloidal silver is made: electrolysis explained
How colloidal silver is made by low-voltage electrolysis: why deionised water and 99.99% silver matter, step by step, and other methods compared.
How to store colloidal silver, and how long it lasts
Store colloidal silver sealed, in dark glass, at room temperature and out of sunlight. Shelf life, what to avoid, and signs it's past its best.
How to choose a good colloidal silver: a buyer's checklist
What to check before buying colloidal silver in the UK: ingredients, measured ppm, dark glass, batch numbers, a real maker, and the red flags to avoid.