{"product_id":"sera-co2-tabs-plus","title":"sera CO2-Tabs plus (20 Tablets)","description":"\u003cp\u003esera CO2-Tabs plus are convenient effervescent CO2 tablets that fertilize your planted freshwater aquarium, with no pressurized gas required. Each tablet releases about 100 mL of CO2, roughly 2,500 bubbles, to feed your plants for lush, healthy growth and vibrant color. They are made for the \u003ca href=\"https:\/\/squeakysaquatics.com\/products\/sera-co2-start\"\u003esera CO2-Start diffusion reactor\u003c\/a\u003e, a simple system ideal for smaller planted tanks and easy enough for beginners. This tube contains 20 tablets. Pair them with our \u003ca href=\"https:\/\/squeakysaquatics.com\/collections\/freshwater-aquarium-plants\"\u003elive aquarium plants\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3 style=\"margin:16px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #1E88E5;padding-left:8px;\"\u003eWhy CO2 for planted tanks\u003c\/h3\u003e\n\u003cp\u003eCarbon dioxide is the single most important nutrient for aquatic plant growth. Supplementing CO2 lets plants photosynthesize faster, grow fuller, color up, and better outcompete nuisance algae. sera CO2-Tabs plus make CO2 dosing simple and affordable for smaller aquariums, with no cylinders, regulators, or tools to manage.\u003c\/p\u003e\n\u003ch3 style=\"margin:16px 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\u003cul\u003e\n\u003cli\u003ePlace one tablet into the slot of your sera CO2-Start diffusion reactor\u003c\/li\u003e\n\u003cli\u003eEach tablet releases approximately 100 mL of CO2, which diffuses steadily into the water through the reactor\u003c\/li\u003e\n\u003cli\u003eFollow the dosage guide in the sera CO2-Start instructions, based on your tank size and plant load\u003c\/li\u003e\n\u003cli\u003eReplace tablets as they are used up to maintain a steady CO2 supply\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"font-size:0.9em;color:#666;\"\u003eRequires the sera CO2-Start reactor, sold separately. Ideal for freshwater planted aquariums up to about 120 liters, 32 US gallons. For freshwater use.\u003c\/p\u003e\n\u003ch3 style=\"margin:16px 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\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #BBDEFB;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #BBDEFB;\"\u003esera\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #BBDEFB;\"\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #BBDEFB;\"\u003eCO2 fertilization tablets\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #BBDEFB;\"\u003e\u003cstrong\u003eCount\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #BBDEFB;\"\u003e20 tablets\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #BBDEFB;\"\u003e\u003cstrong\u003eNet weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #BBDEFB;\"\u003e3.2 oz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #BBDEFB;\"\u003e\u003cstrong\u003eCO2 per tablet\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #BBDEFB;\"\u003eApprox. 100 mL, about 2,500 bubbles\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #BBDEFB;\"\u003e\u003cstrong\u003eSuitable for\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #BBDEFB;\"\u003eFreshwater planted tanks up to ~120 L, 32 US gal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #BBDEFB;\"\u003e\u003cstrong\u003eRequires\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #BBDEFB;\"\u003esera CO2-Start reactor, sold separately\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #BBDEFB;\"\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #BBDEFB;\"\u003eGermany\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3 style=\"margin:16px 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\u003eDo I need the reactor?\u003c\/strong\u003e Yes. The tablets are used inside the sera CO2-Start diffusion reactor, which is sold separately.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow many tablets are in a tube?\u003c\/strong\u003e 20 tablets, each releasing about 100 mL of CO2.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat size tank is this for?\u003c\/strong\u003e The CO2-Start system is ideal for freshwater planted aquariums up to about 120 liters, 32 US gallons.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this for freshwater or saltwater?\u003c\/strong\u003e Freshwater planted aquariums.\u003c\/p\u003e","brand":"sera","offers":[{"title":"Default Title","offer_id":49173065105627,"sku":"08040","price":17.35,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0767\/5209\/3403\/files\/sera-co2-tabs-plus-square.jpg?v=1787488230","url":"https:\/\/squeakysaquatics.com\/products\/sera-co2-tabs-plus","provider":"Squeaky's Aquatics","version":"1.0","type":"link"}