If the smell is constant from both hot and cold taps, you’ve got a whole-house problem. Enter the activated carbon filter. This is a simple tank that water flows through, and the carbon adsorbs smells and tastes like a sponge. It’s the same stuff in your fridge water pitcher, just bigger.
Install a whole-house carbon filter after the pressure tank, or a point-of-use filter at your kitchen sink. It’s not expensive, and it’s dead easy to maintain—just replace the carbon every 6-12 months. You’ll swear your water turned into mountain spring overnight.
But here’s the catch: carbon filters do not kill bacteria. They just remove the smell. If you’re worried about live bugs, you’ll need a UV light or chlorine injection system later. However, for most people, carbon is the perfect “I’m tired of being a pool boy” solution.
The Hard Core: Oxidation Filters
For those with high iron or manganese alongside the sulfur smell, a carbon filter isn’t enough. You need an oxidation filter (like a greensand or Birm filter). This literally forces the sulfur to turn into a solid particle, which then gets trapped.
How To Get Rid Of Sulfur Smell From Hot Water Heater at Katie Jenkins blog
These systems are pricier and require a plumber to install, but they are the tank for serious stink. They also handle that orange-red iron stain on your toilets, which is a bonus. If your water smells like a swamp and turns everything orange, this is your path.
Pro tip: Test your water first. Home test kits for sulfur, iron, and pH are cheap. Don’t throw money at a problem you’re guessing about. Knowing your numbers is half the battle.