Kamoer FX-STP 3 WiFi Continuous-duty Peristaltic Dosing Pump

Kamoer FX-STP 3 Continuous-Duty Calcium Reactor Dosing Pump

The Kamoer FX-STP 3 is a third-generation continuous-duty peristaltic pump designed specifically for calcium reactor applications requiring steady, uninterrupted flow. Where most dosing pumps are designed for short intermittent bursts, the FX-STP 3 is engineered to run 24 hours a day, 7 days a week, delivering a consistent, metered effluent rate that takes the guesswork out of CaRx tuning. The upgraded closed-loop stepper drive is the key advancement over the previous FX-STP 2: the motor actively monitors and corrects for any missed steps in real time, meaning the flow rate you set is the flow rate you get, even under varying back pressure.

At up to 150 ml/min, the FX-STP 3 offers a higher maximum output than its predecessor, with speed adjustable in 0.1 rpm increments for fine-grained control. WiFi connectivity through the Kamoer Remote app lets you monitor and adjust flow remotely, while the onboard rotary encoder and display provide local control without needing a phone. Settings survive power outages thanks to built-in memory backup. The redesigned KCS3 pump head uses a 3-roller configuration with 1.6mm wall tubing and a built-in usage timer that alerts you when the tube is approaching the end of life, so tubing changes are scheduled, not reactive.

Key Features:

• Closed-loop stepper motor drive actively corrects missed steps for sustained flow accuracy — a meaningful upgrade over open-loop designs
• 150 ml/min maximum flow rate at 350 rpm, adjustable in 0.1 rpm increments via rotary encoder
• 6,000-hour rated motor life for long-term, low-maintenance continuous operation
• WiFi control via Kamoer Remote app (iOS and Android) — adjust flow rate, monitor run time, and review status remotely
• Memory backup retains all settings if power is interrupted; pump resumes at the same set point on restart
• KCS3 3-roller pump head uses 3.2 × 6.4mm tubing (same size as FX-STP 2 — replacement tubing is the same)
• Tube usage timer with alarm tracks cumulative run time and alerts when the pump tube is due for replacement
• Onboard display and rotary encoder for full local control without the app

Ideal For:

• Reef hobbyists running a calcium reactor who need a consistent, drift-free effluent drip rate
• High-demand systems where the pump runs 24/7 and motor longevity is a priority
• Reefers who want remote monitoring and adjustment of their CaRx feed rate via smartphone
• Kalkwasser reactors or sulfur denitrators that require continuous, low-volume fluid delivery
• Aquarists upgrading from the FX-STP 2 who want the accuracy benefit of closed-loop motor control
• Systems with variable back pressure where an open-loop pump would otherwise drift

What's Included:

• 1× Kamoer FX-STP 3 main unit (with KCS3 pump head installed)
• 1× DC 24V 2A power adapter (regional plug variant per SKU: US, EU, UK, or AU)
• 1× Silicone tube, 3.2 × 6.4mm (1 meter)
• 1× Silicone tube, 6.4 × 9.6mm (1 meter, for calcium reactor outlet connection)
• 1× Water pipe fitting, 1/8" to 1/4" straight through
• 1× Quick start guide (English)
• 1× Certificate of compliance

Specifications:

• Product Type: Continuous-duty peristaltic dosing pump
• Power Supply: DC 24V, 2A adapter (included)
• Maximum Power: 50W
• Motor Type: Closed-loop stepper motor
• Motor Life: 6,000 hours
• Maximum Speed: 350 rpm
• Speed Regulation Resolution: 0.1 rpm
• Maximum Flow Rate: 150 ml/min (at 350 rpm, pure water, atmospheric pressure, 20°C)
• Pump Tube ID × OD: 3.2 × 6.4mm
• Pump Head: KCS3, 3-roller, 1.6mm tube wall thickness
• Interface / Control: Rotary encoder (onboard) / WiFi (Kamoer Remote app)
• Display: Onboard LCD screen
• Memory Backup: Yes — settings retained on power loss
• Tube Usage Timer: Yes — alarm at end of tube service life
• Overall Weight: Approximately 1,145g (2.52 lbs)
• Dimensions: 148mm (L) × 83mm (W) × 124mm (H) / approximately 5.83" × 3.27" × 4.88"