Moose, Thx, yes they are big. I am a little overwhelmed but am loving it. Being that large is a good problem to have, no? As for the water, this is a wicking system. All I do is make up water to the right ph and add nutes. Then pour it into the reservoir. The reservoir has a little float on it so I can see if one is getting low. Next go around I will rig it so that my reservoirs are linked together with a main reservoir outside the tent. Then all I will have to do is make sure one is full and not 5. Soil mix stays perfectly moist, not too soggy and nottoo dry. TMM