First, if you purchased your CHC from the Crystal Company of Saint Louis, MO. they were already rinsed and squeezed "dry" three times, before they were sold to you. Because citrus trees, require more of the trace element magnesium then any of the other trace elements, I never rinse after the Epsom salts/calcium nitrate soak. I have potted over 100 citrus trees, of all varieties, without rinsing after the Epsom salt soak. The Epsom salts that remains in the chips is a benefit to the tree. BTW a CHC chip can hold up to seven times its weight in water, and still provide excellent aeration to the tree's root system. - Millet (1,332-)