If you have the lucky bamboo at such a level that the leaves are out of the water and roots are established then the plant can be grown this way. True bamboo is not aquatic nor emersed and will not grow in an aquarium. For Lucky bamboo, your lighting has to be high enough above the leaves not to burn the leaves or it will die. Nutrient needs are minimul although a lack of needed nutrients will cause it to wither and die.
Don't know if that helps but sounds like a real pain in the neck.
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