252 Methylene Blue (Aquatrol brand) Treatment for fungus, including egg fungus. Treats fin rot on bettas in unfiltered containers. Dilute for disinfectant net dip. May stain aquarium silicone. 25 oz bottle.

Recommended Dosage: 2 drops per gallon. Treats up to 165 gallons, fresh or saltwater.

Fresh Carbon will remove this medicine from the water.

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