as my other post says Im going to be taking care of BBA w/ the use of copper I know a few plants are okay w/ copper and others are not, I have read that java fern is okay now I just need to know about the lettuce and hyacinth. If not, how long should I be able to soak them in bleach also how l ong can drift wood be soaked in bleach and than do you just soak it in water for a long time afterwards to get it out?