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Armor™ Treats Damaged Koi Slime Coat and Scales

Use Armor™ when you see any damage to the scales or slime coat of your koi or pond fish.
Note: The slime coat on your koi and pond fish is like a suit of armor. It protects your fish from harmful bacteria in your pond water entering the fish’s body. When the slime coat becomes damaged, your fish are at risk for serious ulcers, body sores, and other bacterial infections.
Armor™ will also remove chlorine and heavy metals from your pond water.
- What causes scale and slime coat damage to koi?
- Flashing: rubbing on the rocks and sides of your pond
- Parasites: one of the main causes of scale and slime coat damage
- Netting and handling: every time you net or handle your fish you disturb their slime coat
- Breeding activity: chasing and brushing against rocks and pond walls can damage the slime coat
- Shipping and transport: bagging and shipping koi can cause stress and slime coat damage
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Directions & Dosage
Standard Dose: Use 5 mL (1 teaspoon) per 20 U.S. gallons (75 L) of pond water.
- Estimate your pond volume or the amount of new water being added.
- Shake bottle well before each use.
- Add the correct amount of Armor to a bucket or container of tap water, stir, then slowly pour around the pond or into the return flow.
- If dosing directly to the pond, add in an area of strong circulation.
Quick Dosage Guide (Standard Dose)
- 100 gallons – 25 mL (approximately 1 fl oz)
- 500 gallons – 125 mL (approximately 4 fl oz)
- 1,000 gallons – 250 mL (approximately 8 fl oz)
When to Use Armor
- Starting up a new pond or quarantine tank
- During water changes or when topping off with tap water
- When adding new koi or pond fish
- After netting, handling, transporting, or injecting fish
- Any time fish show damaged slime coat, frayed fins, or signs of stress
High Chlorine / Heavy Use Situations
- In areas with very high chlorine or chloramine levels, the dosage can be safely increased or repeated up to 5× the standard dose.
- Monitor fish closely; if any stress is observed, increase aeration and perform a small partial water change.
Measuring Tips
- The bottle cap (on most sizes) holds approximately 5 mL when filled level, which equals 1 teaspoon.
- Use multiple capfuls for larger ponds, or a marked measuring cup for convenience.
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Precautions

KEEP OUT OF REACH OF CHILDREN
FOR GARDEN AND POND USE ONLY
Not for human consumption for fish intended for human consumption.
- Armor Rx Info
- Is this the right Aqua Meds® product for my sick fish or pond water problem?
- Aqua Meds Dealers
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Frequently Asked Questions
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