how to repair a leaking toilet

{"cid":"91140482","title":"Flush Valve Novelty Design Anti Leak Toilet Repair Kits Fitting Parts From Xiamen China","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/4c\/86\/6ba799dc84e43caee1fa4491df3d-200x200-1.jpg","attrs":{"Price":"quotation as per inquiry","Brand Name":"VGA","Model Number":"OV202B","Minimum Order Quantity":"1000","Delivery Time":"within 15 days","Place of Origin":"China","Certification":"CE, WRAS, ISO9001, CQC, SGS","Packaging Details":"1PC\/PE Bag, 36PCS\/CTN","Payment Terms":"T\/T, LC","Supply Ability":"100,000 sets per month"}}

{"cid":"91206881","title":"Slab Underground Water Line Leak Detector Repair Basement Toilet PQWT L4000","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/c0\/97\/8ba56cc9c4ce5f068b195bdf08a5-200x200-1.jpg","attrs":{"Brand Name":"PQWT","Model Number":"L4000","Minimum Order Quantity":"1 set","Delivery Time":"5 working days","Place of Origin":"China","Payment Terms":"T\/T, Paypal","Color":"Customization support","Pipe types":"Metal pipe or plastic pipe and etc."}}

{"cid":"91217791","title":"Al Intelligent 45min Water Leak Sensor Wifi Leak Detectors With Touch Screen","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/d8\/aa\/27bda77060137dce3f1cab9197e1-200x200-1.jpg","attrs":{"Price":"Negotiated","Brand Name":"BRISKSPRING","Model Number":"BR-T8-A10-D-BS","Minimum Order Quantity":"100PCS","Delivery Time":"10-30 Daays","Certification":"NSF, SGS, RoHS","Place of Origin":"Zhejiang, China","Payment Terms":"L\/C, D\/A, D\/P, T\/T, Western Union","Supply Ability":"150000 pcs per Month","Packaging Details":"transparent poly bags + solid plain cartons for export","Product Name":"Wireless Water Leakage Detector","Application":"Outdoor, Hotel, Garage, Commercial, Household","Flow rate":"4.5T big flow","Power Supply":"50-60Hz","Function":"Water Leakage Detection","Automatic Sewage Discharge":"YES","Lead Insolation":"YES","Connector Size":"3\/4\",1\/2\"","Connection Mode":"Directional, Copper Head Connection (PPR connection)","Service Life":"\u2265 8 years(except the battery)"}}