Hydro, more potent and more expensive than regular grass, is sold mostly to the affluent, but police fear rise in violence, crime if youth start using Israel Police have waged a war on the distribution of Hydro, a more potent and more expensive type of marijuana that is sweeping the local drug market. Dubbed by police as “death grass,” Hydro goes for about NIS 500 (USD 110) per 10 grams (0.35 ounces), compared with regular marijuana which is sold for NIS 600 (USD 133) per kilo. The high price of Hydro is mainly due to the high cost of growing...