cleaning gravel in fish tank

{"title":"Aquarium Gravel Vacuum Cleaner Automatic Filter Cleaning Fish Tank Sand Sludge Extractor Water Chan","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/39\/1f\/4b8c29a4393a3780e840b9fa6ed3-200x200-1.jpg","attrs":{"Price":"14.99","Brand Name":"FREESEA","Model Number":"HXS-01","Minimum Order Quantity":"10","Delivery Time":"14","Certification":"CE\uff0cGS","Place of Origin":"CHINA","Payment Terms":"L\/C, D\/A, D\/P, T\/T, Western Union, MoneyGram,","Supply Ability":"10000","Packaging Details":"Plain white packing","Product name":"Aquarium Gravel Vacuum Cleaner","Feature":"Eco-Friendly,Stocked","Aquarium & accessory type":"Filters & Accessories","Material":"Plastic","Function":"aquarium accessories"}}

{"title":"396GPH 20W Hygger Gravel Washer For Fish Tank","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/4d\/23\/f5dd4e0ee022749cd75f1955bf00-200x200-1.jpg","attrs":{"Price":"$17.00 - $19.20 \/ Piece","Brand Name":"Hygger","Model Number":"HG-955-tp01","Minimum Order Quantity":"1000.0 Piece\/Pieces","Place of Origin":"Guangdong, China","Supply Ability":"100000000 Piece\/Pieces per Month","Packaging Details":"in Hygger exquisite Packing box","Type":"Aquariums & Accessories","Material":"Plastic","Aquarium & Accessory Type":"Cleaning Tools","Feature":"Sustainable","Keywords 1":"Aquarium Cleaner","Keywords 2":"Cleaner Kit","Keywords 3":"Cleaning Tools","MOQ(Hygger product)":"10 pcs","MOQ(OEM)":"1000pcs","delivery time(Hygger product)":"5-7 days","delivery time(OEM)":"25 days","sample time":"3-5 days","Payments terms":"paypal,T\/T","product name":"Aquarium Cleaner Kit","Volume":"500ml","Port":"shenzhen"}}