Product name]: water exchanger and sand washer
[product features]: This product is designed based on the principle of pneumatic siphon, which helps fish friends easily and simply change water and pump water from the fish tank, replacing the old Siphon method of sucking with the mouth of the water pipe, making fish farming easier, safer and hygienic. At the same time, water absorption can help to clean sand and stones, as well as residues and stains attached to water plants and sand beds.
[usage]: when using this product, immerse the sand washing cylinder in water, quickly squeeze the pressure bag by hand for several times until the water flows out of the water outlet, and prepare containers such as buckets to receive water in advance.