Aquasonic Methylene Blue Solution 100ml is a concentrated treatment that helps control whitespot disease and superficial fungal infections in freshwater aquarium fish, and also helps prevent fungus on fish eggs.
$13.00
Out of stock
PRODUCT Details
Aquasonic Methylene Blue Solution 100ml is a classic, multi‑purpose aquarium treatment used to assist in the control of whitespot disease (Ichthyophthirius multifiliis) and superficial fungal infections in freshwater fish. It is also widely used to help prevent fungal growth on fish eggs, giving better hatch rates in breeding setups.
This 100ml bottle of Aquasonic Methylene Blue is ideal for hobbyists who want a versatile treatment for common fungal and whitespot issues in their freshwater aquariums.
What Aquasonic Methylene Blue Solution 100ml Is Used For
Assists in the treatment and control of:
Whitespot disease (Ichthyophthirius multifiliis)
Superficial fungal infections on skin and fins
Helps prevent fungus on fish eggs, especially in breeding tanks and egg‑tumbling setups
Directions & Important Use Notes
From the product details:
Methylene Blue is an intensive dye, so it can stain aquarium equipment, silicone, and decorations
It may adversely affect beneficial bacteria in biological filters at treatment doses
Remove activated carbon or other absorbent media from the filtration system for the duration of treatment
If using undergravel filtration, reduce the flow rate while treating
Toxic to aquarium plants at higher than recommended dose rates
Not to be used on fish intended for human consumption
Do not swallow
Always follow label directions and monitor fish closely during treatment.
Dosage Rates
Use 5mL of Aquasonic Methylene Blue Solution per 20 litres of aquarium water
Do not overdose
Repeat treatment after 3 days if necessary
Harmful to corals—this product is not suitable for reef aquariums
To estimate tank volume in litres:
Multiply length x width x water level height (in cm) and divide by 1000.
Water Changes & General Care
The product notes that all fish benefit from regular water changes:
A 25% water change every fortnight is recommended as good routine maintenance
When signs of disease are present, perform a 25% water change before starting treatment
Continue to do a 25% water change every third day before re‑treating, until the issue is resolved
Good water quality and stable parameters will help methylene blue work more effectively and support recovery.
Storage & Disposal
Store below 30°C (room temperature)
Dispose of the empty container by wrapping it in paper and placing it in household garbage
