![]() Holes suited to 1" pipe would use 1" bulkheads, but it is possible to use an adapter and put larger pipe in most of the system. During the initial adjustment of the plumbing it is likely that the water will rise higher in the tank and overflow through this pipe.Ĥ= may be used as a return from the sump. It may get used each time you do a water change, and refill. If this has any water in it when you check the system, there is a problem. If the water in the tank gets just a bit higher it will start to flow down this. This is the one that sets the height of water in the tank.ģ= emergency. If the first pipe is not doing its share, then more water will be going down number 2, to the point of catching some air and making noise. You can watch this one to be sure that number 1 is doing almost all the work. Just enough to sheet the inside of the pipe, little or no air gurgle. This one will do about 95%+ of the flow out of the tank.Ģ= little trickle. I would run 3 of these holes in the Bean Animal concept:ġ= full flow, no air. Seems like overkill on a tank that already has 4 holes in it. Install a bypass valve on the return pump if you need to tune it down or get a smaller pump. And the flow rate on those drains it more like half of what they say. If this doesn't work for you, you'll have to stick with the durso pipes. A little flow should be seen in the durso pipe side. Open the gate valve slowly until a perfect siphon is reached on the herbie drain ensuring that it is always under water.ħ). you may have to turn down the return pump with a bypass.Ħ). It should make all kinds of nasty sucks, flushing sounds. Turn on your return pump to make sure it does not overflow with one drain. Setup the drain as a herbie with a gate valve on it and plumb it into your sump.ĥ). Replace the left durso pipe with PVC maybe half the height so it's under water.ģ). Leave the right drain alone as a durso pipe and plump it into your sump.Ģ). Keep the questions coming if you have them.ġ). Me personally would not turn my reef tank over any less that 10x per hour. A general rule of thumb is you want to turn over your reef tank 10x an hr and 5x an hr for a planted tank. If running a planted tank, you can cut those return rates approximately by half so you want 500gph at a height of 5ft per pump. I recommend buying return pumps that are at least a bit adjustable in their return rates. So if your sump is 5 feet from the top of the return pipe, you will need to buy a pump that is rated for 1000gph at a height of 5 feet. If running a reef tank, you will need two return pumps rated for at least 1000gph each and at a certain height. If the tank is planted, adding wood and rock will also decrease water value but not by much. If you are going reef, adding live rock will greatly decrease the ACTUAL amount of water in your system. Are you running a reef on this tank or a planted tank? ![]() Your sump should be around 30 gallons in capacity giving you a total of 210 gallons of water. ![]() I would recommend running dual return pumps for that size of a tank. If this is the tank you have, You run the drain plumbing into a sump and hook up your returns to dual water pumps. I am not sure on a tank that large but the smaller hole is usually for the return. ![]()
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