API Stress Coat (anti-chlorine for aquarium)

API® STRESS COAT™ Water Conditioner — Make Tap Water Safe & Reduce Fish Stress Naturally

Give your fish a healthier, safer environment with API® STRESS COAT™ Water Conditioner, the trusted solution that removes chlorine, chloramines, and heavy metals from tap water instantly. Enriched with Aloe Vera, this powerful formula reduces fish stress by up to 40%, heals damaged tissue, and protects fish from infection and disease.

When added to your aquarium, API® STRESS COAT™ forms a synthetic slime coat on fish to reduce electrolyte loss and create a natural barrier against harmful elements — helping your fish stay strong and vibrant.

Use API® STRESS COAT™ Water Conditioner When:

• Starting a new aquarium or adding tap water

• Performing partial or monthly water changes

• Handling, netting, or transporting fish

• Introducing new fish to your tank

Key Benefits:

• Instantly makes tap water safe for fish

• Heals wounds and damaged scales with Aloe Vera

• Reduces stress and disease risk

• Promotes a healthy slime coat for lasting protection

Scientifically proven and trusted by aquarium hobbyists worldwide, API® STRESS COAT™ keeps your fish calm, healthy, and stress-free — so your aquarium stays clean, balanced, and beautiful.

How to Use API® STRESS COAT™ Water Conditioner

1. Shake well before use.

2. Add 5 ml (1 teaspoon) per 10 US gallons (38 L) of aquarium water to remove chlorine and neutralize heavy metals.

3. If your tap water contains chloramines, add 10 ml (2 teaspoons) per 10 US gallons (38 L).

4. Use whenever you start a new aquarium, perform a water change, or add new fish.

5. For healing damaged tissue or reducing stress (e.g., after handling or transport), use a double dose.

6. Safe for use with all freshwater and saltwater aquariums.

Tips for Best Results

• Always treat tap water before adding it to your aquarium.

• Combine with API® STRESS ZYME™ for a healthy biological balance.

• Store in a cool, dry place away from direct sunlight.

Using Stress Coat With Singapore Tap Water

Singapore tap water is treated with chloramine rather than plain chlorine, and that distinction matters at the dosing cup. Chloramine is more stable than chlorine, so a quick stand or aeration will not gas it off the way it might elsewhere. That is exactly why a conditioner like Stress Coat earns its place on the shelf: you treat the bucket or the tank directly before or as you add fresh water, and the bond is broken on contact rather than left to chance.

For most local hobbyists the moment of stress is the weekly water change, especially when fresh water comes out of the tap warmer or cooler than the tank. We see beginners lose fish not to the change itself but to the shock around it. Conditioning the replacement water, matching temperature, and going slow takes the edge off. Keep the bottle near your bucket so it becomes an automatic step.

If you are still learning the rhythm, read our water conditioner guide and our notes on making SG tap water aquarium-safe. We stock other conditioners across our range if you want to compare dosing.