place rice in a fine mesh strainer and rinse under cold wate runtil water urns clear. in a large pot over medium heat, add rinsed rice and water and place konbu on top bring to a boil, then educe heat and simmer covered until rice is tender 15 min turn off heat and leave lid on to let rice steam for 10 miore min.
meanwhile in a small pot over medium heat, combine vinegar sugar and salt and stir until sugar and salt are dissolved. remove from heat.
discard konbu and fluff rice gently with a fork then transfer rice to a glass 9x13 dish drizzle vinegar mixture over rice by slowly pouring it over a sushi paddle or flat wooden spoon while moving the spoon back and forth over the rice mix vinegar into rice by using the sushi padding or flat wooden spoon to cut and fold the rice oer itself trying not to smash or break and of the grains fan rice ocasionally to help cool it down rice should be lukewar.
cover with a damp paper towel until ready to serve
