AFTER DOING ALL THE REQUIERED READING,,, YOU MUST HAVE SEEN THAT YOU NEED TO ONLY WATER WITH HYDROGEN PEROXIDE,, NO WATER.
WATER ONLY KILLS THE PLANT.
RE-READ THAT SECTION OF THE BOOK.
P.S. YOU KNOW I'M KIDDING, RIGHT? USE THE SEARCH FOR THE ANSWERS TO WHAT EVER YOU ARE ASKING. BECAUSE YOUR QUESTION WAS VERY, VERY, VERY BASIC.
Any posts made by me are purely fictional in nature and by no means is anything I say to be taken seriously. I do not grow or condone the growing of anything not legal. Any and all pictures I post are pictures widley available on the internet and any discussions I am involved in are purely hypothetical or are commentary in nature and should not constitute advice or be considered advice to assist in activities that are deemed illegal.