{"product_id":"aquapro-co2-solenoid-valve-12v-pressure-regulator-aquarium-plant-gauge","title":"AQUAPRO CO2 Solenoid Valve 12V Pressure Regulator | Aquarium","description":"\u003ch2\u003eAQUAPRO CO2 Solenoid Valve 12V Pressure Regulator — Aquatic Plant Gauge\u003c\/h2\u003e\n\u003cp\u003eGrow a thriving planted aquarium with the \u003cstrong\u003eAQUAPRO CO2 Solenoid Valve 12V Pressure Regulator\u003c\/strong\u003e. This precision-engineered CO2 regulator delivers stable, consistent carbon dioxide flow directly to your aquatic plants, promoting lush, healthy growth in freshwater tanks of all sizes. Whether you're a beginner setting up your first planted tank or an experienced aquarist fine-tuning a CO2 injection system, this regulator offers reliable performance and ease of use.\u003c\/p\u003e\n\n\u003ch3\u003eWhy Choose the AQUAPRO CO2 Regulator?\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e12V Solenoid Valve:\u003c\/strong\u003e Automatically shuts off CO2 flow when connected to a timer or controller, saving gas and protecting your fish during lights-out periods.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDual-Stage Pressure Gauge:\u003c\/strong\u003e Clearly displays both working pressure and cylinder pressure so you always know your CO2 levels at a glance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePrecise Flow Control:\u003c\/strong\u003e Fine-tune your bubble rate with ease for optimal plant growth and stable water chemistry.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable Build:\u003c\/strong\u003e Heavy-duty brass and alloy construction resists corrosion for long-lasting performance in humid aquarium environments.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUniversal Compatibility:\u003c\/strong\u003e Fits standard CO2 cylinders and connects easily to diffusers, reactors, and tubing commonly used in planted tank setups.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e4 Size Options:\u003c\/strong\u003e Choose the configuration that best suits your tank setup and CO2 cylinder type.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePerfect For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eFreshwater planted aquariums\u003c\/li\u003e\n  \u003cli\u003eCO2 injection systems for aquatic plants\u003c\/li\u003e\n  \u003cli\u003eFish tanks requiring stable water chemistry\u003c\/li\u003e\n  \u003cli\u003eAquascaping enthusiasts and hobbyists\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eProduct Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 12V DC Solenoid\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGauge Type:\u003c\/strong\u003e Dual pressure gauge\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatible with:\u003c\/strong\u003e Standard CO2 cylinders\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Aquarium CO2 injection, planted tanks\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVendor:\u003c\/strong\u003e AQUAPRO by Qme\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSetting Up CO2 in Your Planted Aquarium\u003c\/h3\u003e\n\u003cp\u003eCarbon dioxide is an essential nutrient for aquatic plants. A well-regulated CO2 system, like the AQUAPRO regulator, helps maintain optimal levels (typically 20–30 ppm) so your plants can photosynthesize efficiently. Learn more about planted aquarium care from the U.S. Fish \u0026amp; Wildlife Service, which provides guidance on maintaining healthy aquatic ecosystems.\u003c\/p\u003e\n\n\u003cp\u003eYou may also like:\n  \u003ca href=\"\/products\/hanging-panda-frog-figures-aquarium-decor-creative-cartoon-animal-figure-decorations-for-aquariums\"\u003eHanging Panda \u0026amp; Frog Figures Aquarium Decor\u003c\/a\u003e,\n  \u003ca href=\"\/products\/outdoor-themed-elderly-fisherman-figurine-on-bamboo-raft-pvc-statue-for-landscaping-and-aquarium-use\"\u003eElderly Fisherman Figurine on Bamboo Raft\u003c\/a\u003e, and\n  \u003ca href=\"\/products\/fish-light-holder-aluminum-alloy-lamp-stand-adjustable-versatile-aquarium-light-bracket-stable-support-for-hanging-lamp\"\u003eAluminum Alloy Aquarium Light Holder\u003c\/a\u003e.\n\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\n\u003ch4\u003eQ: What does the AQUAPRO CO2 Solenoid Valve 12V Pressure Regulator do?\u003c\/h4\u003e\n\u003cp\u003eA: The AQUAPRO CO2 Solenoid Valve 12V Pressure Regulator controls the flow of carbon dioxide from a pressurized cylinder into your aquarium. It uses a dual-gauge system to monitor cylinder and working pressure, while the 12V solenoid valve allows automatic on\/off control — ideal for use with a timer to synchronize CO2 injection with your aquarium lighting schedule.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is this CO2 regulator compatible with my aquarium setup?\u003c\/h4\u003e\n\u003cp\u003eA: The AQUAPRO regulator is designed to fit standard CO2 cylinders and works with most common diffusers, reactors, and tubing used in planted aquarium systems. It comes in 4 size\/configuration options to suit different tank sizes and cylinder types. Always verify your cylinder thread type before ordering.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How do I set up and use the AQUAPRO CO2 regulator?\u003c\/h4\u003e\n\u003cp\u003eA: Attach the regulator securely to your CO2 cylinder, connect the outlet to your aquarium diffuser or reactor via CO2-rated tubing, and plug the solenoid into a 12V power source or timer. Adjust the needle valve slowly to achieve your desired bubble rate. Monitor the dual gauges to track working pressure and remaining cylinder CO2.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Why does the solenoid valve need 12V power?\u003c\/h4\u003e\n\u003cp\u003eA: The 12V solenoid valve allows the regulator to be turned on and off electronically — typically via an aquarium timer or controller. This means CO2 injection automatically stops during the night (when plants don't photosynthesize), helping conserve CO2 and maintaining safer water conditions for your fish during dark hours.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What tank size is this regulator suitable for?\u003c\/h4\u003e\n\u003cp\u003eA: The AQUAPRO CO2 Pressure Regulator is suitable for a wide range of freshwater planted aquariums, from small nano tanks to larger setups. The adjustable needle valve gives you precise flow control to dial in the right CO2 rate for your specific tank volume and plant load.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What does the AQUAPRO CO2 Solenoid Valve 12V Pressure Regulator do?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The AQUAPRO CO2 Solenoid Valve 12V Pressure Regulator controls the flow of carbon dioxide from a pressurized cylinder into your aquarium. It uses a dual-gauge system to monitor cylinder and working pressure, while the 12V solenoid valve allows automatic on\/off control — ideal for use with a timer to synchronize CO2 injection with your aquarium lighting schedule.\"}}, {\"@type\": \"Question\", \"name\": \"Is this CO2 regulator compatible with my aquarium setup?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The AQUAPRO regulator is designed to fit standard CO2 cylinders and works with most common diffusers, reactors, and tubing used in planted aquarium systems. It comes in 4 size\/configuration options to suit different tank sizes and cylinder types. Always verify your cylinder thread type before ordering.\"}}, {\"@type\": \"Question\", \"name\": \"How do I set up and use the AQUAPRO CO2 regulator?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Attach the regulator securely to your CO2 cylinder, connect the outlet to your aquarium diffuser or reactor via CO2-rated tubing, and plug the solenoid into a 12V power source or timer. Adjust the needle valve slowly to achieve your desired bubble rate. Monitor the dual gauges to track working pressure and remaining cylinder CO2.\"}}, {\"@type\": \"Question\", \"name\": \"Why does the solenoid valve need 12V power?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The 12V solenoid valve allows the regulator to be turned on and off electronically — typically via an aquarium timer or controller. This means CO2 injection automatically stops during the night (when plants don't photosynthesize), helping conserve CO2 and maintaining safer water conditions for your fish during dark hours.\"}}, {\"@type\": \"Question\", \"name\": \"What tank size is this regulator suitable for?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The AQUAPRO CO2 Pressure Regulator is suitable for a wide range of freshwater planted aquariums, from small nano tanks to larger setups. The adjustable needle valve gives you precise flow control to dial in the right CO2 rate for your specific tank volume and plant load.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/vpggdm-rp.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Aquarium \u0026 Fish\", \"item\": \"https:\/\/vpggdm-rp.myshopify.com\/collections\/aquarium-fish\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"AQUAPRO CO2 Solenoid Valve 12V Pressure Regulator | Aquarium\", \"item\": \"https:\/\/vpggdm-rp.myshopify.com\/products\/aquapro-co2-solenoid-valve-12v-pressure-regulator-aquarium-plant-gauge\"}]}\u003c\/script\u003e","brand":"Qme","offers":[{"title":"black \/ EU PLUG","offer_id":49686901752022,"sku":"14:193#black;5:100014066#EU PLUG","price":63.54,"currency_code":"USD","in_stock":true},{"title":"black \/ US PLUG","offer_id":49686901784790,"sku":"14:193#black;5:100014064#US PLUG","price":63.54,"currency_code":"USD","in_stock":true},{"title":"black \/ AU PLUG","offer_id":49686901817558,"sku":"14:193#black;5:361386#AU PLUG","price":63.54,"currency_code":"USD","in_stock":true},{"title":"black \/ UK PLUG","offer_id":49686901850326,"sku":"14:193#black;5:361385#UK PLUG","price":63.54,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0827\/5243\/8486\/files\/S69b904b2d3b141b88748da13156c8190k.webp?v=1785160033","url":"https:\/\/qmeboost.com\/products\/aquapro-co2-solenoid-valve-12v-pressure-regulator-aquarium-plant-gauge","provider":"Qme","version":"1.0","type":"link"}