A preventative for fungus infections, Prophylaxis against fungus on eggs. Treatment and control for mild fungus infections and fungus on eggs. Use 5mL per 20 Litres of aquarium water each day for 4 days. For Freshwater and Marine. Description: Methylene Blue solution is most promisingly used as a preventative against fungal and bacterial influence on freshwater fish eggs. Sometimes suggested as a treatment for ich, velvet, Cryptocaryon, Amyloodinium, other protozoa, monogenetic trematodes. Methylene blue is far less poisonous than malachite green and formalin but also not as effective against active infections. Remove active carbon before treating aquarium.
A preventative for fungus infections, Prophylaxis against fungus on eggs. Treatment and control for mild fungus infections and fungus on eggs. Use 5mL per 20 Litres of aquarium water each day for 4 days. For Freshwater and Marine. Description: Methylene Blue solution is most promisingly used as a preventative against fungal and bacterial influence on freshwater fish eggs. Sometimes suggested as a treatment for ich, velvet, Cryptocaryon, Amyloodinium, other protozoa, monogenetic trematodes. Methylene blue is far less poisonous than malachite green and formalin but also not as effective against active infections. Remove active carbon before treating aquarium.
Aquasonic Methylene Blue 250ml
A preventative for fungus infections, Prophylaxis against fungus on eggs. Treatment and control for mild fungus infections and fungus on eggs. Use 5mL per 20 Litres of aquarium water each day for 4 days. For Freshwater and Marine. Description: Methylene Blue solution is most promisingly used as a preventative against fungal and bacterial influence on freshwater fish eggs. Sometimes suggested as a treatment for ich, velvet, Cryptocaryon, Amyloodinium, other protozoa, monogenetic trematodes. Methylene blue is far less poisonous than malachite green and formalin but also not as effective against active infections. Remove active carbon before treating aquarium.
A preventative for fungus infections, Prophylaxis against fungus on eggs. Treatment and control for mild fungus infections and fungus on eggs. Use 5mL per 20 Litres of aquarium water each day for 4 days. For Freshwater and Marine. Description: Methylene Blue solution is most promisingly used as a preventative against fungal and bacterial influence on freshwater fish eggs. Sometimes suggested as a treatment for ich, velvet, Cryptocaryon, Amyloodinium, other protozoa, monogenetic trematodes. Methylene blue is far less poisonous than malachite green and formalin but also not as effective against active infections. Remove active carbon before treating aquarium.
in 31 offers
The lowest price for Aquasonic Methylene Blue 250ml right now is $14.36 at The Tech Den, compared across 30 retailers.
The all-time low was $12.00 on 29 May 2026 — today's price is 20% above the lowest ever. That's a little above the best price we've seen.
Prices last updated 25 June 2026.
Last updated at 25/06/2026 10:34:22
Aquasonic Methylene Blue Fungus Treatment 250 ml
Free delivery
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Aquasonic Methylene Blue 250ml - Fungus Treatment - Australian Made | The Tech Den
Delivery $9.50
Aquasonic Methylene Blue 250ml
Delivery between 30 June – 8 July $7.44
Aquasonic Methylene Blue Fish Medication 250ml
Free delivery between Fri – Mon
Aquasonic Methylene Blue Fish Medication 250ml
Free delivery between 26 June – 2 July
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
Aquasonic Methylene Blue 250ml
Aquasonic Methylene Blue - 250ml
30-day returns
Aquasonic Methylene Blue 250ml
Delivery between Fri – Wed $6.95
Aquasonic Methylene Blue 250ml Fish Treatment
Delivery $30
Aquasonic Methylene Blue - Fungus Treatment - AquaticSupplies.com.au 250mL
Delivery between 1–6 July $11.95
| Assembled Length | 0.060m |
| Assembled Height | 0.010m |
| Assembled Width | 0.060m |
Aquasonic Methylene Blue Fungus Treatment 250 ml
Free delivery
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
Aquasonic Methylene Blue 250ml - Fungus Treatment - Australian Made | The Tech Den
Delivery $9.50
Aquasonic Methylene Blue 250ml
Delivery between 30 June – 8 July $7.44
Aquasonic Methylene Blue Fish Medication 250ml
Free delivery between Fri – Mon
Aquasonic Methylene Blue Fish Medication 250ml
Free delivery between 26 June – 2 July
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
| Assembled Length | 0.060m |
| Assembled Height | 0.010m |
| Assembled Width | 0.060m |
