Home > Aquarium Water Treatments > Kordon Methylene Blue Disease Preventative – Safe for Freshwater & Saltwater Aquariums, Prevents Fungal Infections & Treats Parasites, Reduces Fish Stress, 4-Ounces ; Brand: Kordon

Kordon #37344 Methylene Blue-General Disease Prevention Treatment for Aquarium

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35,490 reviews covering 50+ products for the category Aquarium Water Treatments

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About Kordon #37344 Methylene Blue-General Disease Prevention Treatment for Aquarium
86% praised for its ability to control algae growth
I have found that the product works great for controlling fungus growth on Angel eggs.
91% found it easy to dose and apply
The product worked effectively when I dropped it directly on the fish's infection. It was easy to use and the fuzz was gone right away with no adverse effects.
Adding a teaspoon of the treatment twice a day turned my urine bluish-green and it worked as well as the antibiotic I usually take for strept throat.
92% appreciated its safe and gentle formula
Methylthioninium chloride is used to treat eggs and ensure they are not lost to fungal overgrowth.
I used the methylene blue treatment for 10 seconds and put the fish back in the pond. It is now swimming again and greatly improved.
I have never seen any stress on the fish after using the product.
84% praised for its ability to clear cloudy water, but 16% noticed it didn't work as well with heavy algae blooms.
Initially, the water was very dark blue, which made me skeptical.

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