How to wash lettuce not to be bitter, sweet, crispy, delicious from a real seller | Maetawan 

How to wash lettuce Hydroponics vegetables to be clean, safe, reduce residues and how to keep vegetables fresh, not bitter, sweet, delicious, crispy, bouncing for a long time before being used to make various salad menus For eating by yourself or for salad vendors who will make salad rolls. Vegetable salad for sale.