fish-tank-water-level

This fish tank water level automatic replenisher adopts dual high/low liquid level detection structure. It auto starts water pumping when water level drops low and stops refilling at preset high level, with anti-shake algorithm to avoid false trigger by water ripples. Multi LED light status prompts and 1-hour dry-run protection effectively prevent tank overflow & pump burnout, ideal for all kinds of fish tanks, reef tanks and aquatic breeding tanks.

• Dual High & Low Fish Tank Water Level Dual Protection System

  Equipped with independent high and low liquid level dual sensors. When the fish tank water level falls below the low threshold, the pump automatically turns on for refilling; once water reaches high level, the pump shuts down immediately to prevent overflow, double safeguard for your aquarium.

• Intelligent Anti-Shake Anti-False Trigger Function

  Built-in signal de-jitter processing logic, tiny water ripples and surface fluctuation will not trigger wrong pump start/stop, stable water level monitoring without frequent misoperation.

• Multi-Color LED Indicator for Clear Working Status

  Green light slow flash: refilling water; green steady light: water level normal; green fast flash then steady: full water; red light is power indicator. Red light rapid flash & pump stop if pump runs 1 hour without water, easy to check working state at a glance.

• 1-Hour Dry Run Overheat Protection for Pump Safety

  If the low-level sensor detects no water and the pump keeps running for 1 hour continuously, the device will automatically cut off pump power and flash red warning light, effectively avoid pump burnout and equipment damage caused by water shortage.

• Complete Matching Installation Kit for Easy Setup

  Comes with 1.8m PVC transparent 7*9 water pipe, pipe fixing bracket, check valve and full manual, clip-on installation without complicated modification to fish tank, plug-and-play.

• Compact Mini Size, Wide Aquarium Compatibility

  Small exquisite sensor structure, simple top-mounted installation, fits freshwater fish tanks, saltwater reef tanks, planted tanks and aquatic breeding tanks of all sizes, keep stable fish tank water level to protect fish & coral health.

Application Scenarios of Water Replenishers Water replenishers (including automatic/pressure-fixed water replenishment devices) are used in aquarium, HVAC, industrial, civil, agricultural, and special equipment fields. Their core functions are to automatically maintain stable water level/pressure, compensate for evaporation and leakage, and ensure continuous system operation. I. Aquarium & Pet Breeding (Most Common Civil Scenarios) • Fish tanks/aquariums: Automatically replenish water lost to evaporation, maintain water level, and prevent dry burning of heating rods and water pumps; suitable for long-term unattended use (business trips, travel). • Reptile terrariums: Provide stable humidity and drinking water level for lizards, snakes, frogs, etc. • Mini waterscapes/paludariums: Maintain landscape water level and reduce manual maintenance. II. HVAC & Heating Systems (Core Industrial/Commercial Scenarios) • Central air conditioning systems: Circulate chilled/cooling water, compensate for evaporation and blowdown loss, stabilize pressure, and ensure cooling efficiency. • Central heating/underfloor heating: Used in heating circulation for residential quarters, villas, and office buildings to stabilize pressure, prevent overpressure and leakage, replacing high-level expansion tanks. • Boilers/heat pumps/solar water heaters: Automatic water replenishment and pressure stabilization to avoid water shortage, vaporization and pipeline rupture. • Hot water systems in hotels/hospitals/schools: Stabilize water pressure and temperature to avoid sudden temperature changes. III. Industrial Production & Cooling Systems • Industrial circulating cooling water: Used for water replenishment and pressure stabilization in cooling systems of reactors, compressors, heat exchangers and data center rooms in chemical, metallurgical, electronic, pharmaceutical and food processing industries. • Process water systems: Maintain continuous and stable water level/pressure for production lines in textile, paper making, electroplating and other industries. • Power plants: Water replenishment for boilers and pressure stabilization for circulating cooling systems. IV. Civil & Building Water Supply • Secondary water supply in high-rise/residential areas: Replace roof water tanks, stabilize water pressure, and avoid water outages and water hammer noise. • Fire water supply systems: Maintain pipe network pressure to ensure reliable water supply in case of fire. • Rural/temporary water supply: Pressure-stabilized water replenishment for construction sites, field operations and rural tap water. V. Agriculture & Landscaping • Greenhouse irrigation: Automatic water replenishment to maintain water level in nutrient solution tanks/water tanks for drip irrigation and sprinkler irrigation. • Gardens/fountains/waterscapes: Stabilize water pressure to ensure fountain effects and compensate for evaporation and leakage. • Aquaculture: Automatic water replenishment for fish and shrimp ponds to maintain stable water level and quality. VI. Other Special Scenarios • Laboratories/clean rooms: High-precision water replenishment and pressure stabilization for constant temperature and humidity air conditioners and ultrapure water systems. • Humidifiers/steam equipment: Automatic water replenishment for industrial humidifiers and steam generators. • Energy storage/battery cooling: Water replenishment and pressure stabilization for liquid-cooled energy storage systems and power battery test benches.