Hence the relatively small projected sea level rise by the year 2100, as compared to the changes measured in tens of meters that occurred in Earth's history (see Introduction). The rise by 2100 is only a small beginning of a much larger, multi-century response of ocean and ice sheets to elevated global temperatures.
Single Speed Pool Pumps: Runs at a single speed, 3450 rpm (revolutions per minute). Imagine if your car ran at 3450 rpm - all the time, and how much gas you would use! Dual Speed Pool Pumps: Have a fourth wire coming into the pump, the low speed wire. This allows you to run the pump on low speed for 8-16 hrs per day, and high speed for 4-8 hrs. Variable Speed Pool Pumps: Operates at many speeds, programmable and self-optimizing for the highest energy efficiency and greatest energy savings.
06-24-2010, 07:32 AM. It depends on the pool size and the pump size. I believe that the recommendation is that the pump has to run long enough and be big enough to run 3x the number of gallons in the pool each day. So if you have a 10,000 gallon pool, your pump needs to run long enough to push 30,000 gallons through.That being said, it is just a rule of thumb. It is also going to depend on the pool temperature, the number of hours of sun, the chlorine level, etc.o if you have a 10,000 gallon pool, your pump needs to run long enough to push 30,000 gallons through. That being said, it is just a rule of thumb. It is also going to depend on the pool temperature, the number of hours of sun, the chlorine level, etc.