Aquasonic Formalin Malachite Solution

Marsoni

M251S

$12.95

Get it in 3 business days with 1 day shipping. Friday, May 29

Aquasonic Formalin Malachite SolutionAquasonic Formalin Malachite 250ml is a copper free, fish only treatment designed to combat whitespot (Ich), fungus, and a range of external parasites affecting the skin and gills of freshwater fish. This dual action formula also targets cloudy or slimy skin diseases, making it ideal for freshwater aquariums needing reliable parasite control. Safe for freshwater, fish only tanks. Do not use in tanks with shrimp, snails, or other invertebrates.

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Exchange/Return Notes

We offer a 30-day return/exchange service after receiving.
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Reviewed in the United States on April 4, 2026