{"product_id":"seachem-amguard-liquid-ammonia-detoxifier-aquarium","title":"Seachem AmGuard","description":"\u003cp\u003eSeachem \u003cstrong\u003eAmGuard\u003c\/strong\u003e is a fast-acting liquid ammonia detoxifier for freshwater and saltwater aquariums. One dose neutralizes \u003cstrong\u003efree ammonia\u003c\/strong\u003e (NH3) and ammonium (NH4+) within minutes and stays active for up to \u003cstrong\u003e72 hours\u003c\/strong\u003e, twice as long as most competitors. AmGuard converts ammonia to a non-toxic form that your biofilter can still consume, so it is safe to use during cycling, after a fish-in emergency, or as a precaution before water changes.\u003c\/p\u003e\n\n\u003cp\u003ePair AmGuard with \u003ca href=\"https:\/\/squeakysaquatics.com\/products\/seachem-prime-complete-concentrated-water-conditioner\"\u003eSeachem Prime\u003c\/a\u003e for dechlorination, an \u003ca href=\"https:\/\/squeakysaquatics.com\/products\/fritz-ammonia-test-strips-freshwater-saltwater\"\u003eammonia test kit\u003c\/a\u003e to verify zero readings, and our full \u003ca href=\"https:\/\/squeakysaquatics.com\/collections\/additives-supplements\"\u003eadditives and supplements collection\u003c\/a\u003e for a complete water-care kit.\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;\"\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDetoxifies free ammonia\u003c\/strong\u003e within minutes and holds for up to 72 hours\u003c\/li\u003e\n\u003cli\u003eSafe during \u003cstrong\u003etank cycling\u003c\/strong\u003e, biofilter can still consume the converted ammonia\u003c\/li\u003e\n\u003cli\u003eDoes \u003cstrong\u003enot alter pH\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eWorks in \u003cstrong\u003efreshwater and saltwater\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eAvailable in three sizes for nano tanks up to large systems\u003c\/li\u003e\n\u003cli\u003eReef and inverteb safe at recommended dose\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;\"\u003eChoose Your Size\u003c\/h3\u003e\n\u003ctable style=\"border-collapse:collapse;width:100%;font-size:0.95em;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background:#E3F2FD;\"\u003e\n\u003cth style=\"border:1px solid #BBDEFB;padding:8px;text-align:left;\"\u003eSize\u003c\/th\u003e\n\u003cth style=\"border:1px solid #BBDEFB;padding:8px;text-align:left;\"\u003eBest For\u003c\/th\u003e\n\u003cth style=\"border:1px solid #BBDEFB;padding:8px;text-align:left;\"\u003eTreats Up To\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;padding:8px;\"\u003e\u003cstrong\u003e100 mL\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;padding:8px;\"\u003eNano and small tanks, occasional emergency use\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;padding:8px;\"\u003e ~2,640 gallons total at the standard dose\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;padding:8px;\"\u003e\u003cstrong\u003e250 mL\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;padding:8px;\"\u003eMid-size single tank, regular hobbyist use\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;padding:8px;\"\u003e ~6,600 gallons total at the standard dose\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;padding:8px;\"\u003e\u003cstrong\u003e500 mL\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;padding:8px;\"\u003eMulti-tank fishrooms, breeders, reef systems, best value per ounce\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;padding:8px;\"\u003e ~13,200 gallons total at the standard dose\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;\"\u003eDosing\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard dose:\u003c\/strong\u003e 1 mL per 40 L (about 10.5 US gallons). One dose neutralizes up to 1 ppm of free ammonia.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEmergency dose:\u003c\/strong\u003e up to 2x the standard dose for ammonia spikes (max 2 mL per 40 L).\u003c\/li\u003e\n\u003cli\u003eDose directly into the tank or sump where flow is good. Effect is rapid.\u003c\/li\u003e\n\u003cli\u003eRe-dose every 48 to 72 hours until ammonia readings stay at zero on a free-ammonia test.\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;\"\u003eSpecifications\u003c\/h3\u003e\n\u003ctable style=\"border-collapse:collapse;width:100%;font-size:0.95em;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;padding:6px 10px;width:35%;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\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;\"\u003e\u003cstrong\u003eProduct\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;padding:6px 10px;\"\u003eAmGuard\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;padding:6px 10px;\"\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;padding:6px 10px;\"\u003eLiquid ammonia detoxifier\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;padding:6px 10px;\"\u003e\u003cstrong\u003eAvailable Sizes\u003c\/strong\u003e\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\u003ctr\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;padding:6px 10px;\"\u003e\u003cstrong\u003eWater Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;padding:6px 10px;\"\u003eFreshwater \u0026amp; Saltwater\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;padding:6px 10px;\"\u003e\u003cstrong\u003eAffects pH\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;padding:6px 10px;\"\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;padding:6px 10px;\"\u003e\u003cstrong\u003eReef Safe\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;padding:6px 10px;\"\u003eYes, at recommended dose\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;padding:6px 10px;\"\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;padding:6px 10px;\"\u003eUSA\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\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/squeakysaquatics.com\/products\/seachem-prime-complete-concentrated-water-conditioner\"\u003eSeachem Prime\u003c\/a\u003e for dechlorinating new water during changes\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/squeakysaquatics.com\/products\/fritz-ammonia-test-strips-freshwater-saltwater\"\u003eFritz Ammonia Test Strips\u003c\/a\u003e for fast tank-side checks\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/squeakysaquatics.com\/products\/seachem-alerts-combo-pack-ammonia-ph-6-month\"\u003eSeachem Alerts\u003c\/a\u003e continuous in-tank ammonia and pH badges\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/squeakysaquatics.com\/collections\/water-testing\"\u003eFull water testing collection\u003c\/a\u003e to round out your 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;\"\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eHow is AmGuard different from Seachem Prime?\u003c\/strong\u003e\u003cbr\u003e\n\u003ca href=\"https:\/\/squeakysaquatics.com\/products\/seachem-prime-complete-concentrated-water-conditioner\"\u003ePrime\u003c\/a\u003e is an all-in-one water conditioner that handles chlorine, chloramine, and modest ammonia spikes for about 24 to 48 hours. \u003cstrong\u003eAmGuard\u003c\/strong\u003e is a dedicated, longer-acting (up to 72 hours) ammonia detoxifier with no dechlorinator. Use Prime for routine water changes and AmGuard for sustained ammonia control during cycling or an emergency.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eIs AmGuard safe for reef tanks?\u003c\/strong\u003e\u003cbr\u003e\nYes, AmGuard is reef-safe at the recommended dose. As with any treatment, start at the lower dose and observe sensitive coral and invertebrates.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCan I use AmGuard during a new tank cycle?\u003c\/strong\u003e\u003cbr\u003e\nYes. AmGuard converts free ammonia to a non-toxic form that nitrifying bacteria can still consume, so it protects fish without stalling the cycle.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWill it interfere with my test kit?\u003c\/strong\u003e\u003cbr\u003e\nA total-ammonia test (such as the Nessler or salicylate type) may still read ammonia after dosing because both free and bound ammonia are detected. Use a free-ammonia or NH3-specific test to confirm AmGuard has done its job.\u003c\/p\u003e","brand":"Seachem","offers":[{"title":"100 mL","offer_id":48806188908763,"sku":"775","price":4.61,"currency_code":"USD","in_stock":true},{"title":"250 mL","offer_id":48806188941531,"sku":"776","price":9.36,"currency_code":"USD","in_stock":true},{"title":"500 mL","offer_id":48806189007067,"sku":"773","price":14.46,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0767\/5209\/3403\/files\/image_c97456d3-aebb-47db-9969-9dad65b7bfc8.png?v=1779711914","url":"https:\/\/squeakysaquatics.com\/products\/seachem-amguard-liquid-ammonia-detoxifier-aquarium","provider":"Squeaky's Aquatics","version":"1.0","type":"link"}