Your water might taste a little salty at first. That’s normal—it’s the sodium from the resin. Don’t panic. You can install a drinking water filter on your kitchen tap to fix that.
If your pressure drops, you probably have air in the lines. Open all your faucets on full blast for five minutes. It’s like burping a baby, but for your house. You’ll hear a few sputters, then pure, soft glory.
Full Water Softener Install - DIY - YouTube
And if you smell sulfur (rotten eggs), it’s likely bacteria in the water. Flush the system with a little hydrogen peroxide. That’ll teach those bacteria to mess with your DIY project.