{"product_id":"aquasonic-formalin-malachite-solution","title":"Aquasonic Formalin Malachite Solution","description":"\u003cp\u003eAquasonic 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.\u003c\/p\u003e\n\u003cp\u003eThis dual-action formula also targets cloudy or slimy skin diseases, making it ideal for freshwater aquariums needing reliable parasite control.\u003c\/p\u003e\n\u003cp\u003eSafe for freshwater, fish-only tanks. Do not use in tanks with shrimp, snails, or other invertebrates.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures \u0026amp; Benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDual-Ingredient Formula - Combines Formalin and Malachite Green for a broad-spectrum treatment effective against common freshwater fish infections.\u003c\/li\u003e\n\u003cli\u003eEffective Against Multiple Conditions - Treats whitespot, skin\/gill ectoparasites, fungal growths, slimy skin, and cloudy patches.\u003c\/li\u003e\n\u003cli\u003eCopper-Free \u0026amp; Fast-Acting - Safe for use in copper-sensitive systems (though not suitable for invertebrates) and delivers quick relief when applied correctly.\u003c\/li\u003e\n\u003cli\u003eTrusted Australian Brand - Manufactured by Aquasonic, a respected name in aquarium health products.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eWhen to Use\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFish show symptoms of whitespot (Ich)\u003c\/li\u003e\n\u003cli\u003eExternal parasites present on skin or gills\u003c\/li\u003e\n\u003cli\u003eFungal infections or slimy skin disease\u003c\/li\u003e\n\u003cli\u003eSuitable for fish-only freshwater aquariums\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eHow to Use\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eStep 1 – Preparation: Remove all invertebrates before treatment. Turn off UV filters and take out activated carbon.\u003c\/p\u003e\n\u003cp\u003eStep 2 – Dosage: Dose 5mL per 20 litres of aquarium water once daily for 4 days.\u003c\/p\u003e\n\u003cp\u003eStep 3 – Temperature Boost: Raise water temperature by 2–3°C (within safe range for fish species) to increase treatment effectiveness, particularly for whitespot.\u003c\/p\u003e\n\u003cp\u003eStep 4 – Aftercare: After Day 4, perform a partial water change and resume normal filtration.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFrequently Asked Questions (FAQ)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eCan I use this in a community tank?\u003cbr\u003eOnly if the tank is fish-only. Do not use if invertebrates are present.\u003c\/p\u003e\n\u003cp\u003eWill this harm my filter bacteria?\u003cbr\u003eNo, but it's advised to remove carbon filtration during treatment to maintain effectiveness.\u003c\/p\u003e\n\u003cp\u003eCan I repeat the treatment?\u003cbr\u003eYes, if symptoms persist, you may repeat the treatment after a short rest period and a partial water change.\u003c\/p\u003e","brand":"Aquasonic","offers":[{"title":"100ML","offer_id":46704392798385,"sku":null,"price":12.95,"currency_code":"AUD","in_stock":true},{"title":"250ML","offer_id":46704392831153,"sku":null,"price":24.95,"currency_code":"AUD","in_stock":true},{"title":"1L","offer_id":46704392863921,"sku":null,"price":59.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/4194\/5009\/files\/s-l1600_2.webp?v=1773237576","url":"https:\/\/bennysaquarium.com\/products\/aquasonic-formalin-malachite-solution","provider":"Benny's Aquarium","version":"1.0","type":"link"}