As my other thread said about my dislocated shlder said this blows...Today i got bak from my mri and had to do a water change.. thgt about payin my sis but said no im fine. So i did it my tanks gr8t but it suked so bad...I challenge u all to do a water change with ur rite arm only it blows... Especially gettin the syphonin started...So if u do it tell me how it goes!