{"product_id":"12v-dc-peristaltic-dosing-pump-aquarium-diy-lab","title":"12V DC Peristaltic Dosing Pump – Aquarium \u0026 DIY Lab","description":"\n\u003ch2\u003e12V DC Peristaltic Dosing Pump – Precision Fluid Delivery for Aquariums, Labs \u0026amp; DIY Projects\u003c\/h2\u003e\n\u003cp\u003eTake precise control of fluid dosing with this compact \u003cstrong\u003e12V DC Peristaltic Dosing Pump\u003c\/strong\u003e. Engineered with a three-roller pump head and transparent silicone tubing, this pump delivers smooth, consistent flow — making it ideal for aquarium dosing, laboratory experiments, biochemical analysis, fine chemicals, biotechnology applications, and a wide range of DIY builds.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eScrewless Design:\u003c\/strong\u003e Tool-free disassembly for fast, hassle-free cleaning and maintenance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eClockwise \u0026amp; Counter-Clockwise Operation:\u003c\/strong\u003e Simply reverse the positive and negative power connections to switch the direction of flow — no additional hardware needed.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSelf-Priming Capability:\u003c\/strong\u003e Starts pumping without manual priming, saving you time and effort.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNo Valves or Seals:\u003c\/strong\u003e Hose replacement is quick and straightforward, keeping downtime to a minimum.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Voltage Compatibility:\u003c\/strong\u003e Operates on 12V or 24V DC power supplies (motor rated DC 12V; confirm your power supply output before use at 24V).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThree-Roller Pump Head:\u003c\/strong\u003e Reduces pulsation for a smoother, more consistent flow rate.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTransparent Silicone Tubing:\u003c\/strong\u003e Allows you to visually monitor fluid flow at a glance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact Footprint:\u003c\/strong\u003e Measures just 67.5 × 54.5 × 41 mm (approx. 2.66 × 2.15 × 1.61 in) — fits easily into tight spaces.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6W\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMotor Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDC 12V (compatible with 12V\/24V supplies)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePump Head Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eABS Plastic\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTubing\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTransparent Silicone\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePulsations\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eThree-Roller\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e67.5 × 54.5 × 41 mm (2.66 × 2.15 × 1.61 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAvailable Colors\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBlack, White, Blue, Green\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePackage Contents\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 × Dosing Pump\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBattery Included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in Mainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCommon Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eAquarium \u0026amp; reef tank nutrient\/additive dosing\u003c\/li\u003e\n  \u003cli\u003eLaboratory fluid metering and biochemical analysis\u003c\/li\u003e\n  \u003cli\u003ePharmaceutical and fine chemical processing\u003c\/li\u003e\n  \u003cli\u003eBiotechnology research setups\u003c\/li\u003e\n  \u003cli\u003eDIY electronics and automation projects\u003c\/li\u003e\n  \u003cli\u003eHydroponics and plant nutrient delivery systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSafety \u0026amp; Electrical Standards\u003c\/h3\u003e\n\u003cp\u003eWhen working with DC-powered pumps and fluid systems, always follow safe low-voltage wiring practices. For guidance on electrical safety in DIY and hobby applications, refer to CPSC Electrical Safety.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What is a peristaltic dosing pump and how does it work?\u003c\/h4\u003e\n\u003cp\u003eA: A peristaltic dosing pump moves fluid by compressing and releasing a flexible silicone tube using rotating rollers. The squeezing action pushes liquid forward in a precise, metered flow — no fluid ever contacts the pump mechanism itself, making it easy to clean and ideal for sensitive or corrosive liquids.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can I use this pump with a 24V power supply?\u003c\/h4\u003e\n\u003cp\u003eA: The motor is rated at DC 12V. The listing notes 12V\/24V compatibility, but always verify your specific power supply output and motor tolerance before operating at 24V to avoid overheating or damage.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How do I reverse the flow direction of the pump?\u003c\/h4\u003e\n\u003cp\u003eA: Simply swap the positive and negative terminals on your DC power connection. Reversing polarity switches the motor between clockwise (CW) and counter-clockwise (CCW) rotation, which reverses the direction of fluid flow through the tubing.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is the pump self-priming?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. This peristaltic dosing pump features self-priming capability, meaning it can draw fluid into the tubing automatically when powered on — no manual filling of the tube is required before startup.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What size tubing does the pump use?\u003c\/h4\u003e\n\u003cp\u003eA: The pump comes with a transparent silicone tube. Refer to the product images for exact inner and outer diameter measurements to ensure compatibility with your system's fittings.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What is a peristaltic dosing pump and how does it work?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"A peristaltic dosing pump moves fluid by compressing and releasing a flexible silicone tube using rotating rollers. The squeezing action pushes liquid forward in a precise, metered flow — no fluid ever contacts the pump mechanism itself, making it easy to clean and ideal for sensitive or corrosive liquids.\"}}, {\"@type\": \"Question\", \"name\": \"Can I use this pump with a 24V power supply?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The motor is rated at DC 12V. 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