Description
Pure zinc free Methylene Blue powder for ornamental freshwater and saltwater aquarium use.
Unlike most medications, Methylene Blue is dosed by color rather than by a precise measured amount, making it accessible for hobbyists without requiring exact measurements. Preparing a premix solution allows for easier and more controlled dosing. Effective for both freshwater and saltwater species.
Toxic to live plants
Avoid skin contact
Avoid contact with clothing
Can eliminate beneficial bacteria. Always treat in a separate quarantine tank.
Can permanently stain tank glass, silicone seals, and decor.
Safe for invertebrates
Responsible Use Always follow guidelines and directions. Can repeat as needed.
Storage Store in a cool dry location away from moisture and direct sunlight in a sealed container.
For Ornamental Aquarium Species Only
Not intended for human consumption or use on fish intended as food or sport fish







Harley (Verified) –
Saker Medavarapu (Verified) –
Leah A Kirk (Verified) –