{"title":"Sera CO₂","description":null,"products":[{"product_id":"sera-flore-actieve-co2-reactor","title":"Sera Flore Active Co2 Reactor ","description":"\u003ch2 class=\"GooglePreviewTitle Normal WordBreak ellipsis\" data-mce-fragment=\"1\"\u003e Sera Flore Active Co2 Reactor 500\u003cbr data-mce-fragment=\"1\"\u003e\n\n\u003c\/h2\u003e\n\n \u003cp data-mce-fragment=\"1\"\u003eThe sera flore active \u003csub data-mce-fragment=\"1\"\u003eCO2\u003c\/sub\u003e reactor is integrated into an existing water circuit (e.g. external filter) or can alternatively be operated via a pump. The rotors ensure a strong mixing of \u003csub data-mce-fragment=\"1\"\u003eCO2\u003c\/sub\u003e with the aquarium water, so that hundreds of \u003csub data-mce-fragment=\"1\"\u003eCO2\u003c\/sub\u003e bubbles can be dissolved per minute.\u003c\/p\u003e\n\n\u003cp data-mce-fragment=\"1\"\u003e The holder included in the set allows the reactor to be placed inside or outside the aquarium (e.g. in the base cabinet), depending on the installation method. The colour of the material (smoke grey) prevents algae growth. Easy to clean.\u003c\/p\u003e\n\n\u003cp data-mce-fragment=\"1\"\u003e \u003cstrong data-mce-fragment=\"1\"\u003eRecommendation:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\n\u003cli\u003e sera flore active \u003csub data-mce-fragment=\"1\"\u003eCO2\u003c\/sub\u003e reactor 500 (up to 500 \u003csub data-mce-fragment=\"1\"\u003eCO2\u003c\/sub\u003e bubbles\/min): for aquariums from 250 to 600 liters\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003cul\u003e\n\n\u003cli\u003e sera flore active CO2 reactor 1000 (up to 1,000 CO2 bubbles\/min): for aquariums of more than 600 liters and for densely planted aquariums\u003c\/li\u003e\n\n\n\u003c\/ul\u003e","brand":"Sera","offers":[{"title":"Reactor 500","offer_id":44323575431488,"sku":"08057","price":38.29,"currency_code":"EUR","in_stock":true},{"title":"Reactor 1000","offer_id":44323575464256,"sku":"08058","price":54.69,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0692\/1073\/4912\/products\/Sera_Flore_Actieve_Co2-reactor_500.png?v=1746366157"},{"product_id":"sera-flore-co2-bemestingssysteem","title":"Sera Flore Co2 Fertilization System","description":"\u003ch2\u003e \u003cspan class=\"content-page-title product-title\" data-mce-fragment=\"1\"\u003eSera Flore Co2 Fertilization System\u003c\/span\u003e\n\u003c\/h2\u003e\n\n\u003cp\u003e \u003csub\u003eCO2\u003c\/sub\u003e is the most important nutrient for aquatic plants, a balanced \u003csub\u003eCO2\u003c\/sub\u003e supply is one of the most important factors for great growth.\u003cbr\u003e The sera flore \u003csub\u003eCO2\u003c\/sub\u003e fertilization system allows for optimal care of aquariums up to 300 liters.\u003cbr\u003e The high quality of the components contained within ensures safe and, above all, easy use.\u003c\/p\u003e\n\n\u003cp\u003e \u003cstrong\u003eThe set consists of:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\n\u003cli\u003e sera \u003csub\u003eCO2\u003c\/sub\u003e pressure gas cylinder (450 g \u003csub\u003eCO2\u003c\/sub\u003e ) with external valve tested quality with protective bracket, wall bracket and standard connection (21.8 x 14). Refillable.\u003c\/li\u003e\n\n \u003cli\u003esera flore CO \u003csub\u003e2\u003c\/sub\u003e pressure regulator Precision pressure regulator of German make with integrated fine needle valve. Reduces the cylinder pressure (approx. 50 - 60 bar) to the required working pressure (0.1 - 2.5 bar).\u003c\/li\u003e\n\n\u003cli\u003e sera flore \u003csub\u003eCO2\u003c\/sub\u003e pressure diffuser enables maximum dissolution of \u003csub\u003eCO2\u003c\/sub\u003e in the water and thus prevents \u003csub\u003eCO2\u003c\/sub\u003e loss\u003c\/li\u003e\n\n\u003cli\u003e \u003csub\u003eCO2\u003c\/sub\u003e hose (5 m) and non-return valve prevents aquarium water from entering the \u003csub\u003eCO2\u003c\/sub\u003e fertilization system\u003c\/li\u003e\n\n\u003cli\u003e sera \u003csub\u003eCO2\u003c\/sub\u003e continuous test for permanent monitoring of the \u003csub\u003eCO2\u003c\/sub\u003e content in the water\u003c\/li\u003e\n\n\u003cli\u003e sera florena 100 ml and sera flore daydrops 50 ml\u003c\/li\u003e\n\n\u003cli\u003e adapter for \u003csub\u003eCO2\u003c\/sub\u003e disposable bottles\u003c\/li\u003e\n\n\n\u003c\/ul\u003e","brand":"Sera","offers":[{"title":"Default Title","offer_id":44323866018112,"sku":"08060","price":309.59,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0692\/1073\/4912\/products\/Sera_Flore_Co2_Bemestingssysteem.png?v=1746366060"},{"product_id":"sera-high-quality-veiligheids-terugslagventiel","title":"Sera High Quality Safety Check Valve","description":"\u003ch2\u003e \u003cspan class=\"content-page-title product-title\" data-mce-fragment=\"1\"\u003eSera High Quality Safety Check Valve\u003c\/span\u003e\n\u003c\/h2\u003e\n\n\u003cdiv class=\"content-page-text page__product__description\"\u003e Contents: 2 pieces\u003c\/div\u003e","brand":"Sera","offers":[{"title":"Default Title","offer_id":44323875160384,"sku":"08833","price":7.79,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0692\/1073\/4912\/products\/SeraHighQualityVeiligheids-terugslagventiel.png?v=1779312933"},{"product_id":"sera-flore-co2-druk-diffusor","title":"Sera Flore Co2 Pressure Diffuser","description":"\u003ch2 data-mce-fragment=\"1\"\u003e Sera Flore Co2 Pressure Diffuser\u003c\/h2\u003e\n\n\u003cp\u003e The sera flore \u003csub\u003eCO2\u003c\/sub\u003e pressure diffuser made of high-quality acrylic glass combines functionality with design.\u003cbr\u003e The finely structured ceramic provides fine \u003csub\u003eCO2\u003c\/sub\u003e bubbles.\u003cbr\u003e The diffuser can be easily removed and cleaned or replaced.\u003cbr\u003e With integrated bubble counter, suitable for aquariums with a capacity of up to 300 litres.\u003c\/p\u003e","brand":"Sera","offers":[{"title":"Default Title","offer_id":44323891609920,"sku":"08056","price":24.79,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0692\/1073\/4912\/products\/Sera_Flore_Co2_Druk_Diffusor.png?v=1746366036"},{"product_id":"sera-flore-co2-bellenteller","title":"Sera Flore Co2 Bubble Counter","description":"\u003ch2\u003e \u003cspan class=\"content-page-title product-title\" data-mce-fragment=\"1\"\u003eSera Flore Co2 Bubble Counter\u003c\/span\u003e\n\u003c\/h2\u003e\n\n\u003cp\u003e The sera flore \u003csub\u003eCO2\u003c\/sub\u003e bubble counter allows easy counting of \u003csub\u003eCO2\u003c\/sub\u003e bubbles to check carbon dioxide fertilization.\u003cbr\u003e\u003c\/p\u003e\n\n \u003cp\u003eThe fine nozzle in the bubble counter ensures that the \u003csub\u003eCO2\u003c\/sub\u003e bubbles are released cleanly and the number can be read quickly and accurately. Due to its small size and natural design, the bubble counter can be placed inconspicuously.\u003c\/p\u003e","brand":"Sera","offers":[{"title":"Default Title","offer_id":44323906453824,"sku":"08059","price":9.39,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0692\/1073\/4912\/products\/Sera_Flore_Co2_Bellenteller.png?v=1779312968"},{"product_id":"sera-co2-magneetventiel","title":"Sera Co2 Solenoid Valve","description":"\u003ch2\u003e \u003cspan class=\"content-page-title product-title\" data-mce-fragment=\"1\"\u003eSera Co2 Solenoid Valve\u003c\/span\u003e\n\u003c\/h2\u003e\n\n\u003cp\u003e The sera \u003csub\u003eCO2\u003c\/sub\u003e solenoid valve for night switching in combination with a timer precisely controls the \u003csub\u003eCO2\u003c\/sub\u003e switch-off during the night or at any other time.\u003c\/p\u003e\n\n\u003cp\u003e It is suitable for installation in existing and new pH-controlled \u003csub\u003eCO2\u003c\/sub\u003e fertilization systems.\u003cbr\u003e A \u003csub\u003eCO2\u003c\/sub\u003e pressure regulator must be installed between the sera \u003csub\u003eCO2\u003c\/sub\u003e solenoid valve and a \u003csub\u003eCO2\u003c\/sub\u003e gas cylinder.\u003c\/p\u003e","brand":"Sera","offers":[{"title":"Default Title","offer_id":44323917332800,"sku":"08030","price":102.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0692\/1073\/4912\/products\/SeraCo2-Magneetventiel.png?v=1779312989"},{"product_id":"sera-co2-continuetest","title":"Sera Co2 Continuous Test","description":"\u003ch2 data-mce-fragment=\"1\"\u003e Sera Co2 Continuous Test\u003cbr data-mce-fragment=\"1\"\u003e\n\n\u003c\/h2\u003e\n\n\u003cp data-mce-fragment=\"1\"\u003e CO2 is considered one of the most important nutrients for aquatic plants.\u003cbr data-mce-fragment=\"1\"\u003e A shortage can therefore have enormous consequences.\u003c\/p\u003e\n\n\u003cp data-mce-fragment=\"1\"\u003e The sera CO2 continuous test was developed for permanent monitoring of the CO2 content in water.\u003cbr data-mce-fragment=\"1\"\u003e The test tube can be easily hidden in the aquarium, the correct CO2 content is simply read.\u003c\/p\u003e\n\n\u003cp data-mce-fragment=\"1\"\u003e Sufficient for approx. 90 fillings.\u003c\/p\u003e","brand":"Sera","offers":[{"title":"Default Title","offer_id":44323930243392,"sku":"04320","price":18.09,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0692\/1073\/4912\/products\/SeraCo2-Continuetest.png?v=1779313009"},{"product_id":"sera-co2-indicatorvloeistof","title":"Sera Co2 Indicator Fluid ","description":"\u003ch2 class=\"GooglePreviewTitle Normal WordBreak ellipsis\" data-mce-fragment=\"1\"\u003e Sera Co2 Indicator Fluid\u003cbr data-mce-fragment=\"1\"\u003e\n\n\u003c\/h2\u003e\n\n\u003cp data-mce-fragment=\"1\"\u003e Replacement fluid for the Sera Co2-Continutest.\u003c\/p\u003e","brand":"Sera","offers":[{"title":"Default Title","offer_id":44323934699840,"sku":"04330","price":8.79,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0692\/1073\/4912\/products\/SeraCo2-Indicatorvloeistof.png?v=1779313027"},{"product_id":"sera-co2-start","title":"Sera Co2-Start","description":"\u003ch2\u003eSimple CO₂ fertilization system for aquariums up to 120 liters — also for beginners\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eSera CO₂-Start — incl. CO₂ diffusion reactor and CO₂-Tabs plus\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e✅ \u003cstrong\u003eLevel: Easy\u003c\/strong\u003e — Simple to install and use. No prior knowledge required.\u003c\/p\u003e\n\u003cp\u003eCarbon dioxide (CO₂) is the basic nutrient for aquarium plants and enables the establishment of a slightly acidic pH value — ideal for many plants and fish. The Sera CO₂-Start system has been specially developed for aquariums up to approx. 120 liters and consists of an optically discreet CO₂ diffusion reactor and the corresponding CO₂-Tabs plus. Easy to install and operate, even by beginners without prior knowledge.\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cstrong\u003e🌿 Product specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\n\u003ctbody\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003eCO₂ fertilization system\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eSuitable for\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003eAquariums up to approx. 120 liters\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eContent\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003eCO₂ diffusion reactor + CO₂-Tabs plus\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eInstallation\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003eEasy — no prior knowledge needed\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eEffect\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003ePromotes plant growth, slightly acidic pH\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003eSera\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\n\u003c\/tbody\u003e\n\n\n\u003c\/table\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cstrong\u003e🚚 Delivery \u0026amp; warranty\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003eFast delivery from our store — ready to use immediately\u003c\/li\u003e\n\n\u003cli\u003eShipping Tuesday or Friday → \u003ca href=\"https:\/\/www.aquariumplantenshop.nl\/policies\/shipping-policy\"\u003eRead more about shipping\u003c\/a\u003e\n\n\u003c\/li\u003e\n\n\u003cli\u003eDelivery with track \u0026amp; trace, usually within 1–2 business days\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eProblem with your order? We will solve it together.\u003c\/strong\u003e Contact us via our customer service.\u003c\/li\u003e\n\n\u003cli\u003eFree shipping from €59,-\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cstrong\u003e✂️ Usage tips\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eInstall the diffusion reactor in a place with good water flow for optimal CO₂ distribution. Add the CO₂-Tabs plus according to the dosage instructions on the packaging. Combine with Sera Florena for complete plant nutrition — CO₂ for growth, Florena for nutrients.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e💡 Tip\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eMonitor the pH value when using CO₂ fertilization. A slight drop in pH is normal and beneficial for many plants and fish. Ensure the pH does not drop below 6.5.\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cstrong\u003e❓ Frequently asked questions\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFor what aquarium volume is the CO₂-Start suitable?\u003c\/strong\u003e\u003cbr\u003eThe system is ideal for aquariums up to approx. 120 liters. For larger aquariums, more powerful CO₂ systems are recommended.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs the system difficult to install?\u003c\/strong\u003e\u003cbr\u003eNo — the Sera CO₂-Start is specially designed for easy installation, even by beginners without prior knowledge.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAre the CO₂-Tabs available separately?\u003c\/strong\u003e\u003cbr\u003eYes — Sera CO₂-Tabs plus are available separately as refills for the CO₂-Start system.\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cem\u003eDo you have another question? Feel free to contact us — we are happy to help you make the right choice for your aquarium.\u003c\/em\u003e\u003c\/p\u003e","brand":"Sera","offers":[{"title":"Default Title","offer_id":44323966714176,"sku":"08039","price":22.89,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0692\/1073\/4912\/products\/SeraCo2-Start.png?v=1779313047"},{"product_id":"sera-co2-tabs-plus","title":"Sera Co2-Tabs Plus","description":"\u003ch2 class=\"product-title title-font\" data-mce-fragment=\"1\"\u003e Sera Co2-Tabs Plus\u003cbr data-mce-fragment=\"1\"\u003e\n\n\u003c\/h2\u003e\n\n The sera \u003csub data-mce-fragment=\"1\"\u003eCO2\u003c\/sub\u003e -Tabs are simply placed in the corresponding shaft of the \u003csub data-mce-fragment=\"1\"\u003eCO2\u003c\/sub\u003e -diffusion reactor. Each tablet then releases approx. 100 ml (corresponding to 2,500 bubbles) of \u003csub data-mce-fragment=\"1\"\u003eCO2\u003c\/sub\u003e when in contact with the aquarium water.","brand":"Sera","offers":[{"title":"Default Title","offer_id":44323973562688,"sku":"08040","price":6.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0692\/1073\/4912\/products\/SeraCo2-TabsPlus.png?v=1674475384"},{"product_id":"sera-keramische-schijf","title":"Sera Ceramic Disc","description":"\u003ch2\u003e for sera flore CO \u003csub data-mce-fragment=\"1\"\u003e2\u003c\/sub\u003e pressure diffuser\u003c\/h2\u003e\n\n \u003cp\u003eReplacement for the ceramic frit from the sera flore \u003csub\u003eCO2\u003c\/sub\u003e pressure diffuser.\u003c\/p\u003e\n\n\u003cp\u003e Including sealing rubber.\u003c\/p\u003e","brand":"Sera","offers":[{"title":"Default Title","offer_id":49523619070301,"sku":"08054","price":8.39,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0692\/1073\/4912\/files\/SeraKeramischeSchijf.png?v=1703238089"}],"url":"https:\/\/www.aquariumplantenshop.nl\/en\/collections\/sera-co2.oembed","provider":"Aquariumplantenshop","version":"1.0","type":"link"}