Aquasonic Bactonex 250ml – Antiseptic for Fresh & Marine Fish

Product Overview

Aquasonic Bactonex 250ml is a preventative antiseptic treatment for bacterial, fungal, and protozoal infections in freshwater and marine aquariums. It's ideal for use during water changes, when introducing new fish, or in quarantine systems.

Not safe for corals or invertebrates. Always remove carbon before treatment.

Features & Benefits

Broad Spectrum Disease Prevention

Prevents bacterial, fungal, and protozoal infections such as Velvet, Whitespot, Chilodonella, Trichodina, and Trichodinella.

Ideal for Water Changes & New Fish

Use proactively during water changes or when introducing new fish to your aquarium to prevent disease outbreaks.

Freshwater & Marine Safe

Effective in both freshwater and marine systems (fish-only tanks).

Quarantine System Essential

A must-have treatment for quarantine tanks to protect new or recovering fish.

When to Use

• During routine water changes

• When adding new fish to the system

• In quarantine aquariums

• If fish show early signs of external infection

How to Use (Instructions)

Dosage

Use 10mL per 40 litres of aquarium water.

Repeat Treatment

Repeat dosage after 5 days, if necessary.

Important Usage Tips

• Remove activated carbon during treatment.

• Do not use with corals or invertebrates.

• Maintain proper filtration and aeration.

• Practice good husbandry to enhance effectiveness.

Product Details

• Size: 250ml

• Treats: Up to 1,000 litres

• Suitable For: Freshwater and marine fish-only systems

• Not Suitable For: Corals, shrimp, snails, or other invertebrates

• Brand: Aquasonic (Australia)

Frequently Asked Questions (FAQ)

Can I use Bactonex in a reef tank?

No — Bactonex is not reef-safe. It can harm corals and invertebrates.

Is it safe for all types of fish?

Yes — it is suitable for both freshwater and marine fish (excluding invertebrates).

Can I use it regularly?

It is best used prophylactically during water changes or quarantine, not for continuous use.