Fritz Expel‑P

Fritz Expel‑P – Internal Parasite Treatment & Coral Dip

Fritz Expel‑P is an effective anthelmintic and immune booster for aquarium use. Designed for safe use in fish tanks with plants and invertebrates, it targets internal parasites—especially nematodes—and can double as a coral dip to treat flatworms and pest nudibranchs.

Key Features & Benefits

• Targets nematodes, roundworms, nodular worms, and hookworms
• Water-safe: non-toxic to nitrifying bacteria, plants, and most invertebrates (shrimp may exhibit temporary effects)
• Can be used as a coral dip for flatworms/pest nudibranchs
• Boosts fish immune function during treatment

Directions & Dosage

• Standard tank treatment: Use 1 packet per 10 US gal (~38 L). After 24 hrs, perform a 25% water change; repeat in 7 days. Repeat weekly as needed.
• Coral dip protocol: Use 3 packets per 2 gal (~8 L) salt water for up to 30 min. Repeat weekly (up to 3 dips). Remove coral once worms stop detaching.
• Avoid UV sterilizers, carbon, and protein skimmer during treatment.
• Turn off lights for 24 hrs to preserve medication potency.
• Safe for full cycles; does **not** harm biofilter. Remove expelled worms after 24 hrs water change.

Product Specifications