The main pump is 2950gph so... take about 15-20 minutes to empty most of it.
But it takes several hours to fill it back up. ROFL
Luckily I only need to do a water change every month or so when the Nitrate gets too high.
But it takes several hours to fill it back up. ROFL
Luckily I only need to do a water change every month or so when the Nitrate gets too high.