thanks well i used salt 2 cups i had it soaking in a 18 gallon rubber maid tub and i changed the water every day i also once a week i put it in the dish washer 3 times in a row i just wouldnt let it dry, also the last week i soaked it using salt and double the amount of dechlorinator i used amquel plus and i put it on a tub by it self to make sure it didnt leech any thing , and right b4 i put it in the tank i boiled it and ran it though the dish washer and then i just let it sit on some tank water for 20 min b4 tying the java fern, ive been soaking 3 pieces of wood and this one sank after 3 days the other ones haven even been closed to