How To Prevent Hard-Water Stains on Your Windows

Hard water stains form when mineral-rich water (usually from sprinklers) dries on your glass, leaving behind chalky spots that can permanently etch into the surface over time. Here’s how to prevent them:

1. Adjust Your Sprinklers

Make sure sprinkler heads are aimed away from windows. Even small overspray adds up fast — especially in Florida’s heat.

2. Clean Windows Regularly

The longer hard water sits, the more damage it causes. Routine cleanings help prevent buildup before it becomes permanent.

3. Fix Leaky Gutters or Rooflines

Drips from above can also stain your glass over time. Make sure drainage systems are working properly.

Need help tackling existing stains or keeping them from coming back? Tiny Dog offers professional window cleaning and restoration — plus maintenance plans to keep your windows looking new.