Best Overall: Trampoline Waterpark Heavy Duty Sprinkler Hose The trampoline’s air is cooled by water jets, which is ideal for summertime pleasure. One word of advice: while using the sprinkler for the first time, ALWAYS turn on the water SLOWLY. This is so that sprinkler lines won’t be damaged or destroyed by excessive water pressure.… Continue reading Can You Put A Sprinkler Under A Trampoline?