Both strengths of the most trusted fish antibiotic, at the best price we offer.

Fish Mox is the bottle our customers reorder most. With 250mg capsules for small tanks and 500mg capsules for large tanks or big fish, you always have the right strength on hand. Two hundred capsules total, so you are set for the season.

What's in the pack (2 bottles):

Fish Mox 250mg, 100 capsules (sold separately at $49.99)
Fish Mox 500mg, 100 capsules (sold separately at $57.40)

Use it for:

Small tanks and bettas (250mg) and large tanks and big fish (500mg)
Fin and tail rot
Body slime, mouth fungus and cloudy eye
Wound infections after injury
Keeping a hospital tank stocked all year

Why buy the pack:

Save $17.40 versus buying the 2 bottles separately ($107.39)
Everything ships together in one box from our US warehouse
Full-size retail bottles, the same products sold individually on this site
Sealed bottles with a long shelf life, so the pack keeps until you need it

Not sure which medication your fish needs? Contact us with a photo and a description of the symptoms and we will point you to the right bottle in the pack.

For ornamental and aquarium fish use only. Not for human use. Not for use in fish intended for human consumption. Keep out of reach of children.

Amoxicillin Family Pack (Fish Mox 250 + Fish Mox 500, 100-count bottles)