Features: 1. **Eco-Friendly Formula**: Our Tank Stain Cleaner Spray is specially formulated with lauryl polyether-7 and sodium lauryl polyether sulfate, ensuring a safe and effective cleaning solution that protects aquatic life while removing tough stains. 2. **Residue-Free Cleaning**: Enjoy a crystal-clear aquarium with our residue-free cleaner that leaves no harmful residues behind, making it safe for all aquatic organisms and maintaining a healthy environment. 3. **Effective Against Hard Water Stains**: Designed to tackle hard mineral deposits and stubborn hard water stains, our spray effectively cleans without harming your fish or plants, ensuring a pristine tank. 4. **Easy to Use**: Simply spray and wipe away stains with our user-friendly design, making aquarium maintenance quick and hassle-free for both beginners and experienced aquarists. 5. **Safe for All Aquatic Life**: Our cleaner is rigorously tested to ensure it is safe for all types of fish and aquatic plants, giving you peace of mind while keeping your aquarium beautiful. Our fish tank stain cleaning spray contains lauryl polyether-7 and sodium lauryl polyether sulfate. It can protect aquatic ecology and ensure the safety of aquatic organisms. Its use is simple: to protect aquatic ecology and ensure the safety of aquatic organisms. And can be designed for hard mineral deposits and hard water stains, effectively without damaging aquatic ecosystems.