{"product_id":"seachem-paraguard","title":"Seachem ParaGuard","description":"\u003cp\u003e\u003cstrong\u003eSeachem ParaGuard\u003c\/strong\u003e is a broad-spectrum treatment that clears external parasites and fungal, bacterial, and viral lesions in both freshwater and saltwater aquariums. Because it contains no formaldehyde or methanol and will not harm your biological filter, it is gentle enough to run in a display tank yet effective enough for a dedicated quarantine. Find it alongside the rest of our \u003ca href=\"https:\/\/squeakysaquatics.com\/collections\/medication\"\u003efish medications\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch3 style=\"margin:14px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #1E88E5;padding-left:8px;\"\u003eWhat ParaGuard Treats\u003c\/h3\u003e\n\u003cul style=\"margin:4px 0 12px;padding-left:20px;line-height:1.6;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eExternal parasites\u003c\/strong\u003e including ich (white spot), velvet, and flukes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFungal infections\u003c\/strong\u003e and cottony growths on skin and fins.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBacterial and viral lesions\u003c\/strong\u003e such as fin rot and open sores.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNew-arrival quarantine\u003c\/strong\u003e, a preventive dip or treatment before fish join your display.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3 style=\"margin:14px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #1E88E5;padding-left:8px;\"\u003eWhy It Is Different\u003c\/h3\u003e\n\u003cul style=\"margin:4px 0 12px;padding-left:20px;line-height:1.6;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo formaldehyde or methanol\u003c\/strong\u003e, so it is safer to handle and dose than formalin-based medications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWill not crash your biofilter\u003c\/strong\u003e, letting you treat in the main tank without restarting your cycle.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFresh and saltwater\u003c\/strong\u003e, one bottle covers community tanks, cichlids, and reef-safe fish-only systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGentle on plants and gravel\u003c\/strong\u003e, it does not stain silicone or ornaments the way some dyes do.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3 style=\"margin:14px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #1E88E5;padding-left:8px;\"\u003eHow to Use\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eTank treatment:\u003c\/strong\u003e add 5 mL (one capful) per 10 US gallons (40 L) once daily for as long as your fish show no stress. Continue for the full treatment window, typically 7 to 14 days for freshwater ich and up to 28 days for saltwater ich. \u003cstrong\u003eQuick dip:\u003c\/strong\u003e use 3 mL per 1 US gallon (4 L) for a one-hour bath. Remove chemical filtration such as \u003ca href=\"https:\/\/squeakysaquatics.com\/products\/seachem-purigen\"\u003eSeachem Purigen\u003c\/a\u003e or activated carbon while dosing, since it adsorbs the medication, then run it again afterward to polish the water. For scaleless fish and sensitive species such as loaches, start at a quarter to half dose and build up.\u003c\/p\u003e\n\n\u003ch3 style=\"margin:14px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #1E88E5;padding-left:8px;\"\u003eChoose Your Size\u003c\/h3\u003e\n\u003ctable style=\"border-collapse:collapse;width:100%;margin:6px 0 12px;font-size:0.95em;\"\u003e\n\u003cthead\u003e\u003ctr style=\"background:#E3F2FD;\"\u003e\n\u003cth style=\"border:1px solid #BBDEFB;padding:6px 10px;text-align:left;\"\u003eSize\u003c\/th\u003e\n\u003cth style=\"border:1px solid #BBDEFB;padding:6px 10px;text-align:left;\"\u003eFull Tank Doses (10 gal)\u003c\/th\u003e\n\u003cth style=\"border:1px solid #BBDEFB;padding:6px 10px;text-align:left;\"\u003eBest For\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;padding:6px 10px;\"\u003e100 mL\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;padding:6px 10px;\"\u003e~20 daily doses\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;padding:6px 10px;\"\u003eA single quarantine or hospital tank\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;padding:6px 10px;\"\u003e250 mL\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;padding:6px 10px;\"\u003e~50 daily doses\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;padding:6px 10px;\"\u003eRegular treatment of a display tank\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;padding:6px 10px;\"\u003e500 mL\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;padding:6px 10px;\"\u003e~100 daily doses\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;padding:6px 10px;\"\u003eFishrooms, breeders, and shops\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3 style=\"margin:14px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #1E88E5;padding-left:8px;\"\u003eSpecifications\u003c\/h3\u003e\n\u003ctable style=\"border-collapse:collapse;width:100%;margin:6px 0 12px;font-size:0.95em;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;padding:6px 10px;width:40%;background:#E3F2FD;font-weight:600;\"\u003eBrand\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;padding:6px 10px;\"\u003eSeachem\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;padding:6px 10px;background:#E3F2FD;font-weight:600;\"\u003eType\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;padding:6px 10px;\"\u003eBroad-spectrum external parasite and fungal treatment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;padding:6px 10px;background:#E3F2FD;font-weight:600;\"\u003eWater Type\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;padding:6px 10px;\"\u003eFreshwater and saltwater\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;padding:6px 10px;background:#E3F2FD;font-weight:600;\"\u003eTreats\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;padding:6px 10px;\"\u003eIch, velvet, flukes, fungus, fin rot, external lesions\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;padding:6px 10px;background:#E3F2FD;font-weight:600;\"\u003eContains\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;padding:6px 10px;\"\u003eNo formaldehyde or methanol\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;padding:6px 10px;background:#E3F2FD;font-weight:600;\"\u003eDose\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;padding:6px 10px;\"\u003e5 mL per 10 gallons daily; dip 3 mL per gallon\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;padding:6px 10px;background:#E3F2FD;font-weight:600;\"\u003eAvailable Sizes\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;padding:6px 10px;\"\u003e100 mL, 250 mL, 500 mL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3 style=\"margin:14px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #1E88E5;padding-left:8px;\"\u003eRecommended Pairings\u003c\/h3\u003e\n\u003cul style=\"margin:4px 0 12px;padding-left:20px;line-height:1.6;\"\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/squeakysaquatics.com\/products\/seachem-prime-complete-concentrated-water-conditioner\"\u003eSeachem Prime\u003c\/a\u003e detoxifies ammonia and eases stress while your fish recover.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/squeakysaquatics.com\/products\/seachem-stability\"\u003eSeachem Stability\u003c\/a\u003e rebuilds the beneficial bacteria if a treatment sets back your biofilter.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/squeakysaquatics.com\/products\/seachem-purigen\"\u003eSeachem Purigen\u003c\/a\u003e polishes the water once treatment is finished; remove it while dosing.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/squeakysaquatics.com\/collections\/medication\"\u003eBrowse our fish medications\u003c\/a\u003e to build out a complete quarantine kit.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3 style=\"margin:14px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #1E88E5;padding-left:8px;\"\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eIs ParaGuard safe for my biological filter?\u003c\/strong\u003e\u003cbr\u003eYes. Unlike many medications, ParaGuard will not adversely affect the nitrifying bacteria in your filter, so you can treat in the display tank.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use it with scaleless fish?\u003c\/strong\u003e\u003cbr\u003eYes, with care. For loaches, catfish, and other sensitive species, start at a quarter to half dose and build up slowly while watching for stress.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo I need to remove carbon or Purigen?\u003c\/strong\u003e\u003cbr\u003eYes. Chemical filtration absorbs the medication, so take it offline during treatment and resume it afterward to clear any residual color.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs it reef safe?\u003c\/strong\u003e\u003cbr\u003eParaGuard is intended for fish and fish-only saltwater systems. Do not use it in a reef tank with corals or invertebrates.\u003c\/p\u003e","brand":"Seachem","offers":[{"title":"100 mL","offer_id":48098993570011,"sku":"605","price":6.99,"currency_code":"USD","in_stock":true},{"title":"250 mL","offer_id":48098993602779,"sku":"606","price":9.99,"currency_code":"USD","in_stock":true},{"title":"500 mL","offer_id":48098993635547,"sku":"603","price":14.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0767\/5209\/3403\/files\/0606-ParaGuard-250-mL.png?v=1767291690","url":"https:\/\/squeakysaquatics.com\/products\/seachem-paraguard","provider":"Squeaky's Aquatics","version":"1.0","type":"link"}