{"product_id":"seachem-paraguard-250ml-fish-safe-parasite-control-for-freshwater-marine-aquariums","title":"Seachem ParaGuard 250ml - Fish-Safe Parasite Control for Freshwater \u0026 Marine Aquariums","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eSeachem ParaGuard is a 10% by weight aldehyde-based parasite-control formulation designed to help address external parasites and surface lesions on fish. It blends a safe aldehyde approach with malachite green and fish-protective polymers, and it contains no formaldehyde or methanol. The formula is pH-neutral, which helps preserve water chemistry in your tank—useful for both freshwater and marine setups.\u003c\/p\u003e\n\u003cp\u003eThe product takes a multi-pronged approach to common fish health issues, focusing on surface-dwelling problems that can appear as white spots, fin damage, or other visible signs of stress. ParaGuard is particularly valued in hospital or quarantine tanks and during new fish introductions, offering a way to support health without disrupting established tank chemistry.\u003c\/p\u003e\n\u003ch3\u003eKey benefits\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eEradicates external parasites and surface infections on fish\u003c\/li\u003e\n  \u003cli\u003eAddresses fungal, bacterial, and some viral lesions without altering tank pH\u003c\/li\u003e\n  \u003cli\u003eNo formaldehyde or methanol; a safer alternative to formalin\u003c\/li\u003e\n  \u003cli\u003eSafe for freshwater and marine tanks\u003c\/li\u003e\n  \u003cli\u003eFish-safe and filter-safe when used as directed\u003c\/li\u003e\n  \u003cli\u003eIdeal for hospital\/quarantine setups and new arrivals\u003c\/li\u003e\n  \u003cli\u003eNot suitable for tanks with invertebrates, corals, crustaceans, or elasmobranchs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy choose ParaGuard\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eContains a synergistic blend of aldehydes, malachite green, and fish-protective polymers\u003c\/li\u003e\n  \u003cli\u003ePresents a pH-neutral formulation that preserves water chemistry\u003c\/li\u003e\n  \u003cli\u003eDesigned to support fish health without relying on harsh solvents\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow to use in practice\u003c\/h3\u003e\n\u003cp\u003eParaGuard is commonly used in hospital or receiving tanks and whenever new fish enter a community tank. Always follow the label directions for dosage and duration. Perform regular observations and water testing during treatment.\u003c\/p\u003e\n\u003ch3\u003eReal-world considerations\u003c\/h3\u003e\n\u003cp\u003eIn real aquariums, ParaGuard may help reduce visible parasites and surface infections without stressing your system's chemistry. Use it as part of a cautious quarantine routine, monitoring fish response and water parameters to determine next steps.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What does Seachem ParaGuard treat?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: ParaGuard targets external parasites and surface lesions on freshwater and marine fish, with no formaldehyde or methanol and a pH-neutral formula.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are there tank inhabitants ParaGuard cannot be used with?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Not recommended for tanks with invertebrates, corals, crustaceans, or sharks and rays.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Seachem","offers":[{"title":"Default Title","offer_id":53560769872201,"sku":"B0002A5X7I","price":20.48,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0986\/1781\/9465\/files\/seachem-paraguard-bottle-250ml.jpg?v=1766438420","url":"https:\/\/petvita.co.uk\/products\/seachem-paraguard-250ml-fish-safe-parasite-control-for-freshwater-marine-aquariums","provider":"Petvita","version":"1.0","type":"link"}