Direction for Use: Clean toilet bowl thoroughly, including under the rim. 1. Tear open pouch. Do not remove protective wrapping around tablet - it dissolves quickly. 2. Flush toilet. When water level in tank is low, drop tablet in tank near side wall closest to float and away from water valve opening (see diagram). 3. When tablet is dissolved, simply add a new Clorox Rain Clean Blue Automatic Toilet Bowl Cleaner tablet to help keep your bowl fresh and sanitary. Tablet should be used in toilets that are flushed daily. Otherwise, water color may vary. Each tablet's lifetime may vary. Important: Retain tablet pouch for precautions and first aid instructions.