Methylene Blue – 4 fl oz

Original price was: $12.99.Current price is: $3.89.

SKU: SK0045389-US20260702-152340 Category: Royal

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Methylene blue is an effective aid to general disease prevention, and may be used for the detoxification of fish suffering from nitrate or cyanide poisoning. Also for use as a prophylaxis against fungus infections of fish spawns. Because methylene blue can be toxic to plants and harmful to biological filtration systems, all treatment should be carried out in a separate hospital tank or other suitable container.