| Management number | 234730474 | Release Date | 2026/07/02 | List Price | US$6.37 | Model Number | 234730474 | ||
|---|---|---|---|---|---|---|---|---|---|
| Category | |||||||||
Protect your aquarium and restore fish health with Fritz Expel-P, a fast-acting internal parasite treatment formulated with Levamisole HCl. Designed to eliminate common internal nematodes such as camallanus worms, roundworms, and hookworms, Expel-P targets parasites that often go unnoticed until serious symptoms appear.
Suitable for both freshwater and saltwater aquariums, this treatment is safe for use in planted tanks and will not disrupt biological filtration when used as directed. Each box includes 10 pre-measured packets, making dosing simple, accurate, and stress-free for aquarists of all experience levels.
Targets Internal Parasites
Effectively treats camallanus worms, roundworms, hookworms, and similar internal nematodes.
Levamisole HCl Formula
Uses a proven, trusted active ingredient widely relied upon in the aquarium hobby.
Pre-Measured Packets
Includes 10 individually dosed packets for easy and precise treatment.
Fast-Acting Results
Fish often show improved activity, appetite, and vitality within days of treatment.
Safe for Planted Tanks
Will not harm aquatic plants, invertebrates, or beneficial bacteria when used properly.
Freshwater & Saltwater Compatible
Effective in both freshwater and marine aquarium systems.
Fritz Expel-P helps restore fish health by eliminating internal parasites that weaken immune systems, suppress appetite, and cause weight loss or abnormal behavior. Early treatment prevents long-term damage and reduces the risk of spreading parasites throughout the aquarium. The simple dosing format makes it ideal for routine quarantine treatments or active infestations.
Application
Use one packet per recommended water volume as directed on the packaging.
Water Changes
Perform water changes as instructed before and after treatment to remove expelled parasites.
Repeat Dosing
Follow label directions for repeat treatments to fully eliminate parasite life cycles.
Compatibility
Safe for community tanks, planted aquariums, and quarantine systems.
Maintenance Level
Easy
• Freshwater aquariums
• Saltwater aquariums
• Planted tanks
• Community fish systems
• Quarantine tanks
• Fish showing signs of internal parasites
• Preventative parasite management
• Proven Levamisole HCl treatment
• Targets hard-to-detect internal parasites
• Easy pre-measured dosing
• Safe for plants and filtration
• Trusted by aquarists and professionals
• Suitable for freshwater and saltwater systems
• Manufactured by Fritz Aquatics
• Trusted aquarium treatment brand
• Carefully packaged for freshness and accuracy
Use only as directed. Remove chemical filtration (such as carbon) during treatment. Some parasites may require follow-up dosing to fully break the life cycle. Fish may expel visible worms during or after treatment, which is normal. Always monitor fish behavior closely during medication use.
Browse more: All Aquarium Plants
📖 Care guides: Create a Thriving Aquarium with Live Aquarium Plants · Creating a Lush Underwater World: Best Freshwater Plants for Beginners
If you notice any omissions or errors in the product information on this page, please use the correction request form below.
Correction Request Form