drain plugs - less expensive but also less reliable, they pop open at a certain pressure point to let the water through and hold it in the rest of the time. later, after i married, it was my grandma’s tips that helped to make my first vegetable garden a success. we had several county-fair-style games, such as “guess the weight of the bride and groom.” we even had a prize for the best hula-hooper of the day. what can we do about that? they break down within 4 months. that is praise indeed from someone with his experience! 