Description
MinnFinn Mini External Freshwater Fish Treatment
The MinnFinn Mini External Freshwater Fish Treatment is a powerful, broad-spectrum aquarium medication designed to treat a wide range of common fish diseases quickly and effectively. Formulated for use in freshwater systems, it provides a fast-acting solution to help restore fish health while supporting a safe and stable aquarium environment.
Ideal for quarantine tanks or targeted treatment, MinnFinn Mini is trusted by aquarists for its ability to tackle multiple external infections in a single treatment cycle.
Features & Benefits:
- Broad-spectrum treatment – effective against parasites, fungal infections, and bacterial issues
- Fast-acting formula – helps improve fish health quickly and efficiently
- Safe for freshwater aquariums – designed for use in stocked systems when used as directed
- Ideal for quarantine use – perfect for treating new or infected fish
- Simple application – easy dosing for hobbyists and professionals
Targets Common Issues Such As:
- Ich (white spot disease)
- External parasites
- Fin rot and bacterial infections
- Fungus and skin infections
- Gill-related parasites
Care & Usage Tips:
- Always follow dosing instructions carefully
- Best used in quarantine or treatment tanks where possible
- Increase aeration during treatment for best results
- Monitor water parameters throughout treatment
- Perform water changes if advised after completion
Specifications:
- Type: External freshwater fish treatment
- Format: Liquid treatment (mini pack)
- Suitable for: Freshwater aquariums and quarantine tanks
- Application: Broad-spectrum disease control
Give your fish fast, reliable support when illness strikes with MinnFinn Mini External Freshwater Fish Treatment – a strong, all-in-one solution for common aquarium health problems.
Measurments are in US gallons.
Click & Collect
Livestock will only be bagged once you arrive, or if you contact us in advance to request it ready beforehand.
Local Delivery
Order anything from our in-store range and have it delivered right to you.
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Minimum spend: £50
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Delivery from £15 - £30
- Range 0-25 miles from store
Distances are measured “as the crow flies”, not by road.
Once your order is placed, we’ll be in touch to arrange a suitable delivery date and time.
Please note, delivery may take a little longer as we often group orders together to build an efficient delivery run.
Important: If you’re ordering a large aquarium, please ensure someone is available to help unload the van on arrival.
Dry Goods Delivery
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DX Express: 1 working day, same-day dispatch before noon 0-75kg
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Express Pallet: 1–3 working days 75-500kg
If you'd like to add more items to an existing order that hasn't yet been dispatched, please place a Click & Collect order and leave a note asking us to combine the orders.
Please note: We currently only dispatch parcels Wednesday to Friday.
Pre-Order
Want the full details? Check out our Terms & Conditions.
Livestock Delivery
Thursday Delivery – £24
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Dispatched Wednesday afternoon
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Delivered Thursday before 1pm
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Order by Wednesday 12 noon
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Minimum spend: £50
Friday Delivery – £24
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Dispatched Thursday afternoon
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Delivered Friday before 1pm
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Order by Thursday 12 noon
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Minimum spend: £50
Saturday Delivery – £29
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Dispatched Friday afternoon
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Delivered Saturday before 1pm
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Order by Friday 12 noon
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Minimum spend: £50
📦 Want to Add to an Existing Order?
No problem! Just place a Click & Collect order and leave a note asking us to link it with your original one (as long as it hasn’t been dispatched yet).
🛒 Dry Goods Now Included!
You can now include dry goods in your livestock delivery – perfect for topping up supplies in one go.
❄️ Please note: We can’t send frozen food with livestock – please order frozen items separately.
⚠️ Delivery Exclusions
Unfortunately, we’re unable to deliver livestock to the following postcodes:
Scotland & Isles:
AB30–AB56, DD8–DD10, DG3–DG9, DG12–DG14, FK17–FK21, KA18–KA19, KA26–KA30, PA20–PA38, PA80, PH3–PH40
Cornwall Isles: TR21–TR25
All of the following postcodes are excluded:
BT, HS, IM, IV, JE, KW
Plus Channel Islands and Shetland Islands
Payment & Security
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.

