{"product_id":"seachem-paraguard-500-ml-safe-parasite-control-for-freshwater-marine-tanks","title":"Seachem ParaGuard 500 mL – Safe Parasite Control for Freshwater \u0026 Marine Tanks","description":"\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eSeachem ParaGuard is designed as a moderate, fish- and filter-safe option for addressing visible external parasites and lesions in both freshwater and marine aquariums. The formula uses a balanced aldehyde-based component at 10% by weight, paired with malachite green and protective polymers. It avoids formaldehyde and methanol and is formulated to minimize pH changes, helping you maintain steady water conditions during treatment.\u003c\/p\u003e\n\n\u003ch3\u003eWhy this matters for your tank\u003c\/h3\u003e\n\u003cp\u003eNew fish introductions, quarantine routines, and hospital tanks often demand a cautious approach to disease management. ParaGuard offers a treatment option that aligns with common hobby protocols while keeping aquarium balance in mind. Its compatibility with a wide range of setups makes it a practical addition to many hobbyists’ routines.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eBulk Pack Convenience: Includes three 500 mL bottles for extended care and back-up stock.\u003c\/li\u003e\n  \u003cli\u003eFish and Plant Safe: Suitable for use in both freshwater and marine aquariums with live plants present.\u003c\/li\u003e\n  \u003cli\u003eNon-Invasive Treatment: Aims to address external parasites and lesions without aggressive chemical swings.\u003c\/li\u003e\n  \u003cli\u003eSupports Aquatic Health: Contributes to a stable environment during short-term treatment windows.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eUsage considerations\u003c\/h3\u003e\n\u003cp\u003eParaGuard is intended for freshwater and marine fish and is not recommended for any setup containing invertebrates, corals, crustaceans, or elasmobranchs (sharks and rays). It does not alter pH, which may help maintain typical filtration and dosing routines in standard aquariums.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eNot for invertebrate- or coral-containing systems: Avoid use in reefs or mixed tanks with delicate invertebrates.\u003c\/li\u003e\n  \u003cli\u003eHospital and receiving tanks: A convenient option for temporary treatment during fish introductions or quarantine periods.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat’s inside and how it works\u003c\/h3\u003e\n\u003cp\u003eParaGuard blends an aldehyde-based active component with malachite green and fish-protective polymers. This combination is designed to address external parasites and certain visible lesions while aligning with routine maintenance, without dramatic water chemistry shifts.\u003c\/p\u003e\n\n\u003ch3\u003eWhat you may notice in practice\u003c\/h3\u003e\n\u003cp\u003eIn real-world setups, Aquarists often pair ParaGuard with good water quality and careful observation. While results can vary by tank, users may see reduced visible signs of infestation and healthier-looking fins when used in appropriate contexts and timing.\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: Is ParaGuard suitable for reef tanks or only fish?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: ParaGuard is designed for freshwater and marine fish; not recommended for tanks with invertebrates, corals, crustaceans, or elasmobranchs.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How is ParaGuard packaged and what’s in the bulk pack?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The product is sold in a bulk pack of three 500 mL bottles for extended use in hospital or quarantine setups.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Seachem","offers":[{"title":"Default Title","offer_id":53555921912137,"sku":"B002DWTIU6","price":30.5,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0986\/1781\/9465\/files\/seachem-paraguard-bottle.jpg?v=1766369548","url":"https:\/\/petvita.co.uk\/products\/seachem-paraguard-500-ml-safe-parasite-control-for-freshwater-marine-tanks","provider":"Petvita","version":"1.0","type":"link"}