Why Activated Carbon Filters Matter — and Why It’s Crucial to Replace Them on Time

Water filters are a lot like sponges. Over time, they fill up. Activated carbon is especially powerful — just one gram has an internal surface area roughly the size of a football field. That means it can trap an enormous variety of unwanted substances, from chlorine to pesticides to microscopic impurities.

But here’s the catch: every filter has a limit.

Once that carbon is saturated, it stops working. Even worse, if a filter is left unchanged for too long, the moist environment can encourage bacterial growth, and in some cases, mould. This doesn’t just reduce water quality — it may introduce health risks you were trying to avoid in the first place.

So if your water is starting to taste off, or the filter is past its recommended lifespan, it’s time to act.

Your filter might still look fine, but what you can’t see is the buildup of contaminants — heavy metals, chlorine, fluoride, agricultural runoff, and microplastics — that it’s no longer able to catch. In some cases, water may bypass the filter altogether, flowing straight through as if nothing were there.

💡 Respect the replacement guidelines. They're there not for marketing reasons, but because real-world testing shows when filters begin to degrade. Our bodies deserve clean, safe water — every day.

We’re Here to Help

At Ionza, we’re doing our best to make it easy for you. We offer:

• Friendly reminders when your filter’s due

• An auto-shipment service that’s cheaper, more convenient, and ensures you never go a day without protection

👉 Learn more about our Auto Shipment service

Still not sure what filter you need?
Or just call us — we’ll help you figure it out.

With warm regards,