Malachite Green is used to treat ectoparasites such as gill flukes, Ich and Trichodina as well as bacteria and fungal infections. Dosage rates differ depending on species, and must be used only on closed systems such as ponds or aquaria. When used in conjunction with Paracide-F or Formalin, the Malachite Green-Formalin combination is more potent than either one used separately (Synergism).
Malachite Green is used at 0.05 - 0.1 ppm (active ingredient). The stock solution is prepared by using 14 grams of Malachite Green per 3790 mls (one gallon) of water. To treat fish, use 1 ml of stock solution per ten gallons or 5ml (1 tsp) of stock solution per 50 gallons of aquarium or pond water. Apply to water on 3 alternate days. To treat shrimp or marine invertebrates, use at 0.1 - 0.2 ppm active ingredient on 3 alternate days.
Formalin in conjunction with Malachite Green is used for fish at the dosage rate of 10 - 25 ppm and 0.05 - 0.1 ppm respectively. Dosage for shrimp or marine invertebrates is 10 - 25 ppm Formalin and 0.1 - 0.2 ppm Malachite Green. For egg disinfection, treat at 5 ppm for 10 minutes.
Avoid breathing Malachite dust. Wear protective gloves, clothing and respirator. If possible, avoid air movement when weighing or dispensing the Malachite Green powder.
Malachite Green is toxic to small fry, some varieties of tetras, ornamental catfish such as Pimelodidae, as well as bluegill and bass. Inconsistent results may occur if Malachite Green is used when water pH is 9 or above, or water temperature is over 21 degrees Celsius.
Always be sure that the Malachite Green to be used is Zinc Free Fisheries Grade to avoid heavy metal toxicity of treated fish.
Note: Always test a few orgasnisms for potential toxicity to Malachite Green before beginning treatment on large numbers. Sodium Sulfide may be used as a decolorizing agent for Malachite Green on skin and clothing.
# The above drug is not sold in US and for export only and for ornamental fish use only.
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