Aquasonic Methylene Blue 1L natural pine The Blade includes a M8

The Blade includes a M8 mounting thread at each end

Each piece is uniquely shaped and textured

Its vibrant pitch-black color and smooth black-glazed surface make it stand out from other stones

Cobalt Sulfate

Safe for all fish

Aquasonic Methylene Blue 1L natural pine The Blade includes a M8A 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,