security from electricity hum

Hiya all,
I've just finished a crop of parasise seeds opium
and its one fantastic bud

my det up is 2x5 foot hydroponic tanks
I live in flats and am getting a bit paranoid from the electric hum from both my pumps

anyone got any ideas how i can stop this?
I usually leave the pumps on 24/7 but am thinking of putting them on timers so at least there silent through the night

all help, much appriciated

thanking all in advance

johnny

try making a hooks for the and use the small bungie cords!! if u can drill a lil hole ic the casing and hang them.... should be good to go!! do you have any pics?