For saltwater aquariums, the general rule is 5times to 10 times turnover for the aquarium. So if you havea 50 gallon aquarium, you will want a return pump that iscapable of delivering 250 GPH to 500 GPH back to youraquarium..
Regarding this, how many GPH do I need for a reef tank?
Valuable Member. Return pump on a 120 I'd say acontrollable pump that can do somewhere around 1000-1500GPH. As for flow in tank, it'll depend on the typesof corals you want. Typical mixed reef I'd say around 7,000GPH.
how big should my aquarium sump be? Sizing The Sump At a minimum, your sump should be 20% ofyour tank. If you have a 75 gallon tank, then your sumpshould be at least 15 gallon. But in reality, youshould go for the biggest size that fits inyour stand (remember, more water volume, more space for media,etc).
Keeping this in consideration, how much GPH do I need?
We generally recommend that on average, you turn overyour aquarium volume four times per hour. This means that if youhave a 30 gallon tank, you need a pump and filter with flowrates of around 120 gph.
How many times should a saltwater tank turnover?
A healthy tank water turnover rate tostrive for is six to 10 times per hour. Manyaquarists feel that higher turnover is better, especiallyfor a reef tank system.
Related Question Answers
How do you calculate gph pump?
You will be calculating the gallons perhour, or GPH, by multiplying the diameter by 100. Forexample, if your fountain spout is 1 inch in diameter: 1 x 100 =100 GPH, your pump will need to be rated at 100GPH. Measure the entire height of the fountain from thepump to the fountain head or spout.How many GPH does a 30 gallon tank need?
We generally recommend that on average, you turn overyour aquarium volume four times per hour. This means that if youhave a 30 gallon tank, you need a pump and filter with flowrates of around 120 gph.Can you over filter a aquarium?
Essentially, you can never over filteryour tank. The only negative impact would be that thefilters cause too much water movement for the size of thetank. This could lead to the residents of your tank being alittle stressed out. If you keep delicate angelfish, forexample, you need to take care with watermovement.How many GPH does a 75 gallon tank need?
For a 75 gallon tank you want at least 600gph for HOBs .How much live sand do I need for a 55 gallon tank?
Here are some suggested amounts of live sand touse from noted experts: In his book Simplified Reefkeeping, authorRobert Metelsky recommends a thickness of approximately 1 3/4 to 2inches, which calculates to 1.45 pounds of sand pergallon, or 80 pounds for a 55-gallontank.What does GPH mean in pumps?
gallons per hour
How important is water flow in a reef tank?
Water flow is one of the more importantelements of a reef tank. Water movement promotes gasexchange which increases oxygen, decreases carbon dioxide and helpsmaintain the pH of the tank. Proper water flow alsoplays an important role in biological function within thecoral.What is tank turnover?
Turnover time is the amount of time that it takesfor the volume of the water in a tank to be completelyreplaced. Tank mixing can be measured by calculating thevolume exchange fraction or the fraction of water that has beenadded to the tank during a fill period.What gph pump do I need?
It is recommended that you circulate your pond's wateronce at least every 2 hours. Hence, your pump should have aGPH (gallons per hour) rating of at least half of your pondsize. For example, if you had a 1000 gallon pond, then youwill require a 500 GPH pond pump.How many gph fuel pump do I need?
A good estimator of volume to power is approximately 10hp per gallon or 2.64 hp per liter. For example if your pumpflows at 50 gph it should be able to support a 500 hp engine(50 x 10 = 500). However, to actually know the gph you mustalso consider the fuel pressure required for yourengine.How do you calculate gallons per hour?
Calculate your average speed by dividing thenumber of miles you traveled by how long it took you. For example,if you traveled 200 miles and it took you 4 hours, then 200/ 4 = 50 miles an hour on average. Divide your average speedby the miles per gallon to find how many gallonsper hour of fuel you're burning.What is the PSI of a fuel pump?
Engines with fuel injection will normally useelectric fuel pumps to supply the higher pressure demandedby the system. With port injection, the required pressureranges from 45 psi to 66 psi. On throttle bodyinjection (TBI) systems, the pressure is normally between 9psi to 18 psi.Do freshwater tanks need circulation pumps?
Water flow is important in all aquariums. Even ifyou don't have a reef tank or planted aquarium, deadspots make it easy for debris to collect and form sludge. You'llfind most circulation pumps are marketed with reef-keepersin mind, but don't let that deter you from using them on afreshwater tank.How many gallons per minute does a 1 hp pump?
For each 2.0 inch intake line, the maximum flow into thepump will be 73 gallons per minute (GPM). Foreach 1.5 inch intake line, the maximum flow into the pumpwill be 42 gallons per minute (GPM).What size filter should I get for my tank?
To choose an aquarium filter system, youshould look at two things. It is the tank sizerecommended by the manufacturer to use with their filters.Note that most of them say “up to 20 gallons” or“up to 30 gallons”.What does GPH mean in fuel pumps?
gallons-per-hour
Is a sump better than a canister filter?
A sump tank is going to always be better thana canister filter. What it comes down to is the sumpholds more media and you can use a bigger pump to force the waterthrough the media at a faster rate. There is no filter setupthat is better than a sump setup.How do I calculate my sump size?
Now, multiply the length, width and depth of thesump to determine cubic area of your tank/sump. 1feet cube area (1′ length 1′ width 1′ height)will preserve equal to 28 ltrs of water. Therefore, multiply thesump cubic area with 28 to find out the water storagecapacity of sump/tank in liters.What is an overflow fish tank?
Posts: 733. An overflow box is the way people whodo not have drilled tanks get water from the aquariumto some sort of external filter, usually a sump below thetank. They are not necessary if you aren't planning onhaving an external filtration (skimmer in sump, refugium,etc.). 
