Ok so ive decided to build a diy overflow and sump for my murray cod tank.
Using the details given in the piping sticky i decided on;
size _GPM __GPH
pipe
1/2 = 2.50 = 150
3/4 = 5.63 = 337.5
1.0 = 10.0 = 600
1.25=15.6 = 937.5 <--------------------This
1.5 = 22.5 = 1350
2.0 = 40.0 = 2400
So this gives me a 3500 liters per hour, a 5.5 times per hour rate.
So so with my size inlet, i have a 32mm 90 degree piece of pvc, i have a 6x2x2 with 1.8mx.61m surface area, times by the depth of the inlet .032m gives me 35 liters, added to this the water already in my piping i have say 5 meters including all of the overflow = 5m*pi.016m^2 = 4 liters. So in my 6x2x2 i need at least 40 extra liters of capacity in my sump to ensure it will not overflow during a power outage.
my pump im looking for will hopefully achieve a 3000l/h at a head height of 1.5 meters, which results in the overflow outperforming the pump, i.e the right way.
My sump is actually a wet dry using a large plastic container with plastic drawers at one end. These will be stacked ;
1 - thick layer of felt followed by a drip tray, followed by some spacers then 40 liters of crushed volcanic/larva rock as bio, another drip tray.
2 - 17cm deep section of filters ranging from least porous to most, followed by a layer of polishing wool.
Is there anything im missing. I'll take some photos now of the overflow i knocked up.
Your welcome to correct me as i am sure i have buggered up something.
Tom
Using the details given in the piping sticky i decided on;
size _GPM __GPH
pipe
1/2 = 2.50 = 150
3/4 = 5.63 = 337.5
1.0 = 10.0 = 600
1.25=15.6 = 937.5 <--------------------This
1.5 = 22.5 = 1350
2.0 = 40.0 = 2400
So this gives me a 3500 liters per hour, a 5.5 times per hour rate.
So so with my size inlet, i have a 32mm 90 degree piece of pvc, i have a 6x2x2 with 1.8mx.61m surface area, times by the depth of the inlet .032m gives me 35 liters, added to this the water already in my piping i have say 5 meters including all of the overflow = 5m*pi.016m^2 = 4 liters. So in my 6x2x2 i need at least 40 extra liters of capacity in my sump to ensure it will not overflow during a power outage.
my pump im looking for will hopefully achieve a 3000l/h at a head height of 1.5 meters, which results in the overflow outperforming the pump, i.e the right way.
My sump is actually a wet dry using a large plastic container with plastic drawers at one end. These will be stacked ;
1 - thick layer of felt followed by a drip tray, followed by some spacers then 40 liters of crushed volcanic/larva rock as bio, another drip tray.
2 - 17cm deep section of filters ranging from least porous to most, followed by a layer of polishing wool.
Is there anything im missing. I'll take some photos now of the overflow i knocked up.
Your welcome to correct me as i am sure i have buggered up something.
Tom
