Originally Posted by sully
Looks like your coming along great. That is really nice and your right that 300 lbs of rock it doesn't look like much but I'm sure when you stack it it will look differant. You said you used a Dart pump, how many GPH are you turning over ?
the dart is pushing around 3200 gallons per hour through the over flows. that is just through the over flows and the sump. then i will run the other dart pump at around 2500GPH through the closed loop