Kills anchor worm and fish lice: Effectively eliminates two of the most destructive parasites affecting koi and goldfish
Breaks parasite molting cycle: Prevents growth, reproduction, and spread of parasites throughout the pond
Improved suspension technology: Ensures even distribution of active ingredients for thorough coverage
Safe for koi, goldfish, and biofilters: Protective formula when used as directed, does not harm beneficial bacteria or plants
Concentrated formula: Treats up to 10,000 gallons with a 16 oz bottle for cost-effective large-pond use
Summarized by Shop
Anchor Armor – Parasite Defense for Koi & Goldfish
The Strongest Shield Against Anchor Worm & Fish Lice Anchor Armor is a concentrated pond treatment designed to protect koi and goldfish from two of the most destructive parasites: anchor worm (Lernaea) and fish lice (Argulus). Anchor Armor™ breaks the parasite’s molting cycle, sto
Active Ingredient
Anchor Armor
Formulation
Concentrated liquid
Dosage
50 ml per 1,000 gallons
Treatment Interval
Repeat after 7 days
Available Sizes
16 oz (treats up to 10,000 gallons), 32 oz (20,000), 64 oz (40,000), 1 gallon (80,000)
Suitable for Water Type
Freshwater
Summarized by Shop
5.0
3 ratings
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Anchor Armor works fast ! My koi are healthy again and their color is brighter than ever thanks to Anchor Armor 👍
L
Lisa · June 30, 2026
100% recommend it
As expected, easy to use, and it makes a difference on koi care. Not enough stars to grade it!