1.3K reactions · 204 shares | What’s an anode—and why should you care? Your geyser has a built-in bodyguard called a sacrificial anode. It corrodes so the tank doesn’t. But here’s the catch: once it’s gone, your geyser starts taking the hit. That’s why the Elon Smart system gives you a heads-up before it’s too late. Smart water heating = longer geyser life + fewer surprises. | PowerOptimal | Facebook