I was wondering if the water from a fish aquarium would be ok for my plants /freshwater fish/. they are cuttings that have been re vegged .. And also I have some fluorescent bulbs I was wondering if i could use .. Just to go with the ones i have ,,, They are 9v = to 40w and are 3000k is this spectrum any use to my plants ? Thanks for any input :rasta::rasta: It seems to be ok with other house plants. Many types of plants will root quite readily in aquarium water. take a piece of cork or styrofoam put a cutting through a hole and float it in the tank. The success rate is about three time plain water. reason they root better in aquariums is because most aquariums have an airstone or powerheadfilter to oxygenate the water.