{"product_id":"fritz-dark-water","title":"Fritz Dark Water","description":"\u003cp style=\"margin:0 0 12px;line-height:1.6;\"\u003eTurn any aquarium into a natural blackwater retreat. \u003cstrong\u003eFritz Dark Water\u003c\/strong\u003e is a concentrated almond leaf extract that releases the tannins and humic acids found in Indian almond (Terminalia catappa) leaves, tinting the water a natural tea color, gently lowering pH, and creating the soft, comfortable conditions that bettas, shrimp, and soft-water fish love. It is an easy, mess-free way to add blackwater benefits without waiting for leaves to break down. Pair it with \u003ca href=\"https:\/\/squeakysaquatics.com\/products\/fritz-catappa-leaves-10pk\"\u003eFritz Catappa Leaves\u003c\/a\u003e or \u003ca href=\"https:\/\/squeakysaquatics.com\/products\/fritz-catappa-tea-bags\"\u003eCatappa Tea Bags\u003c\/a\u003e, or browse all our \u003ca href=\"https:\/\/squeakysaquatics.com\/collections\/maintenance-water-care\"\u003ewater care\u003c\/a\u003e.\u003c\/p\u003e\u003cdiv style=\"background:#E3F2FD;border-left:4px solid #1E88E5;padding:10px 14px;margin:0 0 14px;font-size:0.95em;\"\u003e\n\u003cstrong\u003eFor freshwater aquariums.\u003c\/strong\u003e Ideal for blackwater and soft-water setups, planted tanks, shrimp tanks, and betta habitats.\u003c\/div\u003e\u003ch3 style=\"margin:16px 0 6px;font-size:1.05em;font-weight:600;color:#333;border-left:4px solid #1E88E5;padding-left:8px;\"\u003eWhy You’ll Love It\u003c\/h3\u003e\u003cul style=\"margin:0 0 12px;padding-left:20px;line-height:1.6;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstant blackwater\u003c\/strong\u003e, concentrated liquid tannins with no waiting for leaves to steep.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNaturally lowers pH\u003c\/strong\u003e and gives the water a warm, natural tea-stained look.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReleases humic acids and tannins\u003c\/strong\u003e with natural antibacterial properties that soothe fish.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecise control\u003c\/strong\u003e, dose to your target tannin level and top up easily during water changes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafe for shrimp and soft-water species\u003c\/strong\u003e, and made in the USA by Fritz.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3 style=\"margin:16px 0 6px;font-size:1.05em;font-weight:600;color:#333;border-left:4px solid #1E88E5;padding-left:8px;\"\u003eHow to Use\u003c\/h3\u003e\u003cul style=\"margin:0 0 12px;padding-left:20px;line-height:1.6;\"\u003e\n\u003cli\u003eShake well before use.\u003c\/li\u003e\n\u003cli\u003eAdd 5 mL (1 tsp) per 1 US gallon (3.8 L), or 6 drops per cup (236 mL), to raise tannins by about 1 ppm.\u003c\/li\u003e\n\u003cli\u003eDose during water changes and build up gradually to your desired tint.\u003c\/li\u003e\n\u003cli\u003eWith livestock present, limit pH change to 0.2 units per day and add to a high-flow area of the tank.\u003c\/li\u003e\n\u003cli\u003eA 4 oz bottle treats up to 24 gallons.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3 style=\"margin:16px 0 6px;font-size:1.05em;font-weight:600;color:#333;border-left:4px solid #1E88E5;padding-left:8px;\"\u003eSpecifications\u003c\/h3\u003e\u003ctable style=\"border-collapse:collapse;width:100%;max-width:520px;margin:0 0 14px;font-size:0.95em;\"\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;padding:6px 10px;font-weight:600;background:#E3F2FD;width:40%;\"\u003eProduct\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;padding:6px 10px;\"\u003eAlmond leaf (Terminalia catappa) extract, liquid\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;padding:6px 10px;font-weight:600;background:#E3F2FD;width:40%;\"\u003eActive Compounds\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;padding:6px 10px;\"\u003eTannins and humic acids\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;padding:6px 10px;font-weight:600;background:#E3F2FD;width:40%;\"\u003eEffect\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;padding:6px 10px;\"\u003eCreates blackwater conditions, gently lowers pH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;padding:6px 10px;font-weight:600;background:#E3F2FD;width:40%;\"\u003eAquarium Type\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;padding:6px 10px;\"\u003eFreshwater\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;padding:6px 10px;font-weight:600;background:#E3F2FD;width:40%;\"\u003eSize\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;padding:6px 10px;\"\u003e4 oz (118 mL), treats up to 24 gallons\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;padding:6px 10px;font-weight:600;background:#E3F2FD;width:40%;\"\u003eMade In\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;padding:6px 10px;\"\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3 style=\"margin:16px 0 6px;font-size:1.05em;font-weight:600;color:#333;border-left:4px solid #1E88E5;padding-left:8px;\"\u003eIdeal For\u003c\/h3\u003e\u003cp style=\"margin:0 0 12px;line-height:1.6;\"\u003eBettas, shrimp (Neocaridina and Caridina), discus, tetras, angelfish, killifish, and other soft-water or blackwater species, plus planted and biotope aquariums.\u003c\/p\u003e\u003ch3 style=\"margin:16px 0 6px;font-size:1.05em;font-weight:600;color:#333;border-left:4px solid #1E88E5;padding-left:8px;\"\u003eComplete Your Setup\u003c\/h3\u003e\u003cul style=\"margin:0 0 12px;padding-left:20px;line-height:1.6;\"\u003e\n\u003cli\u003eAdd botanicals with \u003ca href=\"https:\/\/squeakysaquatics.com\/products\/fritz-catappa-leaves-10pk\"\u003eFritz Catappa Leaves\u003c\/a\u003e, \u003ca href=\"https:\/\/squeakysaquatics.com\/products\/fritz-catappa-tea-bags\"\u003eCatappa Tea Bags\u003c\/a\u003e, or the \u003ca href=\"https:\/\/squeakysaquatics.com\/products\/fritz-nature-box\"\u003eFritz Nature Box\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003eCare for bettas with \u003ca href=\"https:\/\/squeakysaquatics.com\/products\/fritz-betta-guard-2oz\"\u003eFritz Betta Guard\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003eShop all \u003ca href=\"https:\/\/squeakysaquatics.com\/collections\/maintenance-water-care\"\u003eMaintenance \u0026amp; Water Care\u003c\/a\u003e and \u003ca href=\"https:\/\/squeakysaquatics.com\/collections\/additives-supplements\"\u003eAdditives \u0026amp; Supplements\u003c\/a\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3 style=\"margin:16px 0 6px;font-size:1.05em;font-weight:600;color:#333;border-left:4px solid #1E88E5;padding-left:8px;\"\u003eFAQ\u003c\/h3\u003e\u003cp style=\"margin:0 0 8px;line-height:1.6;\"\u003e\u003cstrong\u003eWill it stain my tank?\u003c\/strong\u003e\u003cbr\u003eIt tints the water a natural tea color that clears with water changes or activated carbon. Very porous decor may lightly tint over time.\u003c\/p\u003e\u003cp style=\"margin:0 0 8px;line-height:1.6;\"\u003e\u003cstrong\u003eDoes it lower pH a lot?\u003c\/strong\u003e\u003cbr\u003eIt gently lowers pH through tannins and humic acids. Dose gradually and monitor pH, especially when livestock are present.\u003c\/p\u003e\u003cp style=\"margin:0 0 8px;line-height:1.6;\"\u003e\u003cstrong\u003eIs it safe for shrimp?\u003c\/strong\u003e\u003cbr\u003eYes. Shrimp especially benefit from the tannins. Add it gradually to let them adjust.\u003c\/p\u003e\u003cp style=\"margin:0 0 8px;line-height:1.6;\"\u003e\u003cstrong\u003eHow is this different from catappa leaves?\u003c\/strong\u003e\u003cbr\u003eSame botanical benefits in a concentrated liquid, so you control the tannin level precisely without waiting for leaves to break down.\u003c\/p\u003e","brand":"Fritz","offers":[{"title":"Default Title","offer_id":49044766884059,"sku":"72511112","price":5.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0767\/5209\/3403\/files\/fritz-dark-water-4oz.jpg?v=1785359008","url":"https:\/\/squeakysaquatics.com\/products\/fritz-dark-water","provider":"Squeaky's Aquatics","version":"1.0","type":"link"}