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Cheaper elsewhere? We’ll match it or credit you back even after purchase.
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Free standard shipping on orders over $99
Terms and Conditions Apply!
We can ship to any address in Australia and New Zealand. Note that there are restrictions on some products, and some products cannot be shipped to some locations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full kilo.
Aquasonic Methylene Blue is a trusted aquatic treatment widely used to treat and prevent fungal and bacterial infections in fish. Especially effective in freshwater aquariums, it’s also suitable for saltwater setups and breeding environments. This powerful yet gentle solution helps inhibit harmful pathogens, prevent egg fungus, and support the healing of wounds and external parasites—making it an essential product for both novice and experienced aquarists.
Fungal & Bacterial Control: Effectively treats external fungal and bacterial infections in stressed or newly introduced fish.
Egg Protection: Prevents fungal growth on fish eggs in breeding tanks, improving hatch rates and embryo survival.
Antiseptic Action: Supports wound healing and reduces the risk of secondary infections.
Health Booster: Helps minimize stress and maintain optimal water conditions during critical periods such as transport or acclimation.
Fresh & Saltwater Use: Safe for use in both freshwater and marine aquariums with most fish and aquatic life.
For Infections: Add 1 mL per 10 liters of water. Repeat every 48 hours for up to 7 days or until symptoms resolve.
For Egg Fungus Prevention: Dose 1 mL per 10 liters in breeding tanks immediately after eggs are laid. Continue until hatching or risk of fungus has passed.
General Support: Use 0.5 mL per 10 liters during high-stress situations like transport or new fish introductions.
100ML
250ML
1L
Preventive Use: Ideal for use in breeding setups and newly cycled or restocked aquariums.
Compatibility: Generally safe for most species; test on a small scale before full tank treatment.
Water Quality: Maintain regular water changes (10–20% weekly) during treatment for best results.
Professional Advice: If symptoms persist or worsen, consult an aquatic specialist.
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