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1800 L/H Water Pump. The WATER MASTER is a submersible pump designed for indoor growing , delivering a flow rate of 1800 L/h with low energy consumption. Perfect for medium-sized tanks, drip lines, and spray lances, it optimizes watering times for precise indoor cultivation .

The WATER MASTER 1800 L/H Water Pump delivers a stable flow of water from a reservoir to the main water supply, ideal for fertigation in grow tents and small rooms. The electrical unit operates at 220–240 V and 50 Hz , with a power consumption of 22 W , providing efficient and quiet operation.
The maximum pumping height of 2.5 m allows overcoming small differences in level, in-line filters and distributors, maintaining constant delivery to drippers and rings.
Sealed housing for submersible use, front grille that limits particle entry and base with suction cups for firm fixation on the bottom of the tank.
The outlet fitting allows quick connection to 16 mm pipe , common in domestic and professional irrigation systems .
Simple maintenance: opening the body, rinsing the impeller and checking the joints to maintain a flow rate of 1800 L/h .
A practical ally to homogenize the nutrient mixture, avoid stagnation and achieve regular irrigation with minimal electricity consumption.
In indoor cultivation, consistent flow rates determine uniformity and vigor. The WATER MASTER 1800 L/H water pump supplies irrigation tables, return trays, and small manifolds, keeping nutrients in motion and improving mineral availability in the root zone of cannabis plants . An excellent choice for compact spaces requiring frequent and controlled watering cycles.
It is used to pump and recirculate irrigation water from the reservoir to drippers, rings, or lances; it can also be used to agitate solutions, prevent salt settling, and facilitate transfers between containers. The balance between 22 W and 1800 L/h allows for continuous operation with low energy consumption, perfect for automating irrigation without sacrificing system stability.
Direct compatibility with standard irrigation accessories : 16 mm tubing , reducers, distributors, drippers , rings, in-line filters, and non-return valves. Timers and controllers allow for staggered irrigation zones and adjusted timings based on variety or phenological stage. Easy integration into mixing tanks, grow tents, and small grow rooms .
The WATER MASTER 1800 L/H Water Pump is competitively priced for its performance, moderate power consumption of 22 W , and 2.5 m head. It's a cost-effective solution for expanding or upgrading indoor irrigation systems without oversizing the existing installation.
Hydroponics Blanes , a trusted grow shop and online store , offers discreet shipping throughout Spain and technical advice for flow rate calculations, fitting selection, filters, and line layout. A leading grow shop in Spain, it boasts a comprehensive catalog for indoor cultivation , irrigation accessories , lighting, and climate control.
Quick technical specifications: Flow rate 1800 L/h · Power 22 W · Voltage 220–240 V · Frequency 50 Hz · Max. head 2.5 m · Submersible use · Outlet suitable for 16 mm . Designed for cabinets and tables requiring consistent and easy cleaning.
Anyone needing a versatile pump for compact spaces will find the WATER MASTER 1800 L/H Water Pump an ideal balance: sufficient flow for drippers and lances, quick integration with standard piping, and easy maintenance.
A reliable tool for daily watering of indoor crops , keeping the irrigation system tidy and efficient with the support of Hydroponics Blanes .