how long can i leave my main pumps off

[bigbill]

well i had a little leak to day in one of my tubs problem is fix but i would like to keep water off it for as long as i can i still have a k1 and a 150gp pump going in the display how long till i have to re start my main pump

[jimsflies]

There is no set answer for that...it depends on bioload and temperature. If you add an air stone to your display you could extend the time.

[bigbill]

added a heater and air stone to it hope i can hold out for a few hours

[EMUreef]

with the air stone and heater you should be ok for a few hours, Oxygen is the big thing you'd have to worry about, heat maybe not cause its super hot out.

[bigbill]

tank is in the basement never too hot lol
but ty both

[jimsflies]

Well unless it will get dangerously cold, I think you are better off to let a mild "cold front" occur so that it slows respiration (and increases solubility of oxygen in the water). If it were me, i would skip the heater and crank the AC for a few hours.