They will remove the chlorine smell but not the chlorine.I use aquasafe to remove chlorine and all heavy metals in my water.Letting your water sit for a couple of days will evaporate the chlorine alsPH
thanks ive been lettting the water sit for at least 24hrs but i wasnt sure if i had to. if anyone has a pic of a plant thats around 10 days old grown with CFLs id like to c it i dont have a camera right now to ask for opinions on how my girls are coming along