Fritz Expel-P – Internal Parasite Treatment for Freshwater & Saltwater Aquariums

Fritz Expel-P is a powerful and reliable deworming solution designed to eliminate internal parasites in both freshwater and saltwater aquariums. Formulated with Levamisole HCl, this medication targets common internal worms while remaining safe for fish, plants, invertebrates, and biological filtration.

Expel-P is ideal for aquarists dealing with symptoms such as weight loss, bloating, stringy feces, rapid breathing, or visible worms. It can also be used as a coral dip to help eliminate flatworms and nuisance nudibranchs.

⸻

Key Features

Levamisole HCl Formula
Clinically proven active ingredient for treating nematodes and internal worms.

Freshwater & Saltwater Safe
Effective in all aquarium systems.

Biofilter Friendly
Does not harm beneficial bacteria.

Plant & Invertebrate Safe
Safe for shrimp, snails, corals, and live plants.

Light-Sensitive Treatment
Works best with lights off for the first 24 hours.

⸻

Targets These Parasites

• Nematodes
• Roundworms
• Nodular worms
• Hookworms

(Does NOT treat tapeworms or flukes – use Fritz ParaCleanse for those.)

⸻

Benefits

Fritz Expel-P eliminates internal parasites without stressing fish or damaging tank ecosystems. It improves appetite, weight, energy levels, and overall immunity while maintaining water clarity and stability.

⸻

Directions & Usage Tips

• Best used in a quarantine tank
• Remove carbon and chemical filtration
• Maintain strong water circulation
• Turn off aquarium lights for 24 hours
• Safe to repeat treatment if needed
• Perform water change after treatment cycle

⸻

Safety & Compatibility

• Will not cloud water
• Will not harm biofilter
• Safe with other Fritz products
• Safe for reef tanks and planted tanks
• Overdose is non-toxic (water change recommended if concerned)

For ammonia or nitrite spikes during treatment, use Fritz A.C.C.R. or Fritz Complete.

⸻

Perfect For

• Fish with wasting or bloating
• Visible internal worms
• Rapid breathing or lethargy
• Coral pest treatment
• Preventative quarantine treatments

⸻

Why Choose Fritz Expel-P?

• Professional-grade parasite control
• Gentle on fish and ecosystems
• No harsh chemicals
• Trusted by breeders and aquarists worldwide
• Works fast with visible results

⸻

Important Notes

• Does NOT treat tapeworms or flukes
• Always remove carbon before treatment
• Keep lights off for first 24 hours
• Use in QT for best results