Description
The Grech HJ-742 Multi-Purpose Submersible Pump is mainly used to circulate your nutrient rich water through your hydroponic or aquaponic system. This pump features a pre-filter with a filter sponge that filters your water as it is circulating and can also oxygenate your water with the included tube. The filter sponge needs to be cleaned regularly. All you need to do is put a dab of soap on it (optional) and work it in under running water, then rinse it out thoroughly. Grech pumps are m
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