Methylene Blue Aquarium Care Formula is intended exclusively for ornamental freshwater aquariums. It contains Methylene Blue (Methylthioninium Chloride) as the active ingredient and is designed for experienced aquarium keepers as part of carefully controlled aquarium, quarantine, and breeding-system care.

Methylene Blue is a blue dye traditionally used in ornamental freshwater systems and fish-egg incubation procedures. Product strength, dosage, compatibility, and application time may vary according to the product concentration, aquarium conditions, water chemistry, and species present.

Active Ingredient

• Methylene Blue (Methylthioninium Chloride)

Product Features

• Intended for ornamental freshwater aquarium use

• Suitable for controlled aquarium-care procedures

• Commonly used in quarantine or hospital aquariums

• Traditionally used in ornamental fish breeding and egg-incubation systems

• Intended for experienced aquarium keepers

• Produces a temporary blue coloration in aquarium water

Directions

Use only according to the dosage and application instructions supplied with this product.

Accurately calculate the aquarium’s actual water volume before application. Do not exceed the labeled dosage or combine this product with other aquarium chemicals unless expressly directed.

Because the appropriate dosage depends on the exact concentration and formulation, the product page should display the specific directions printed on the package rather than a general dosage taken from another methylene-blue product.

Aquarium Preparation

• Check water conditions before application.

• Remove activated carbon and other chemical filtration when directed.

• Turn off UV sterilization during application when instructed.

• Maintain adequate aeration.

• A separate quarantine, hospital, or breeding aquarium is recommended whenever possible.

Compatibility and Precautions

• For ornamental freshwater systems only.

• Use caution with shrimp, snails, sensitive invertebrates, live plants, fry, and delicate fish species.

• May affect biological filtration depending on concentration and exposure.

• May stain silicone, tubing, plastic equipment, decorations, clothing, and porous surfaces.

• Monitor aquarium inhabitants throughout application.

• Discontinue use if severe stress or abnormal behavior is observed.

Important Information

• For ornamental aquarium use only.

• Not intended for human consumption.

• Not intended for human medical use.

• Not for food-producing animals.

• Keep out of reach of children and pets.

• Avoid contact with eyes, skin, clothing, and surrounding surfaces.

• Do not exceed the labeled dosage.

• Store tightly closed in a cool, dry place.

• Follow all product-label instructions.