Methylene Blue - Fish Tank Aquarium Treatment
You are buying 1 gram of Methylene Blue powder as shown in the photo. More than enough to treat up to 300L. Will treat: - Nitrite Poisoning - Fish gasp for breath, tan or brown gills, rapid gill movement known as "gilling." - Ammonia Poisoning - Fish gasp for breath, red or purple gills, lethargic - may lay on the bottom, red streaks on body or fins. - Ichthyophthirius Multifilis - Small white spots resembling sand, fish scratches against objects. - Oödinium Pilularis - Also known as V