There's nothing better than a electric pump,the difference is like taking the stairs or using a eleavator.Forget the expensive pumps by all the different pump sites,go to your local large pet store and look for Tetra Whisper aquarium products.The smaller ones do about 3-4hg the largest the 100 does about 6-7hg. You have to open the back and flip the diaphram,that changes it from blowing air to sucking air.If you don't want to mess with puttting a switch on it get a extension cord the kind that has several outlets and a switch on it,plug the pump in that and just use that switch.The small ones are between 15-20$,the large one is 30-40$,a damn site difference than the expensive ones.Oh an by the way get ready to have your mind blowed!