Tag Archives: swimming pool maintenance problems

Swimming Pool Maintenance Problems

swimming pool maintenance problems
When i thought the problems couldnt get harder…help?

here’s the very last math problem that i need help with I seriously have NO idea how to do this could someone explain? thank you 🙂

A swimming pool has to be drained for maintenance. The pool is shaped like a cylinder with a diameter of 14m and a depth of 2m. If the water is pumped out of the pool at the rate of 17m^3 per hour, how many hours does it take to empty the pool?

(the 17m^3 means 17m to the 3 power)

The volume of the cylinder is equal to the area of the surface multiplied by the depth of the cylinder.

The area of the surface is calculated with the formula πr^2 (Pi x radius squared).

Once you have calculated the volume in cubic meters, divide by 17 to get the number of hours it takes to empty the pool.

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Pool Maintenance Problems

pool maintenance problems
I need help with pool maintenance!! Help please!!?

I recently moved and the house that we bought has a pool. We got a “pool guy” to come out and we did the whole pool school thing. Of course that’s a one time visit… Anyway, we got everything dealing with cleaning, vacuuming, and so on. But I can’t figure out when we’re supposed to backwash and rinse? I remember him saying that you don’t need to backwash and rinse unless your psi gets 10lbs above regular running psi. The problem with that is, the gauge never gets about about 8 psi. I don’t know if the gauge itself is broken or what? Anyone have any thing I could check or solutions? Please!! Thanks in advance.

Backwashing your filter is equivalent to changing the filter for your home’s air conditioning system, or cleaning the lint trap in your dryer. As the water from your pool circulates through the filter, debris collects on the filter bed–the top surface of the filtering material inside your filter. All backwashing does is reverse the flow of water through the filter, churning the debris and washing it out through the effluent pipe. The material in the filter is usually ‘graded’ in size and weight, ranging from gravel and charcoal to sand. So, when you reverse the flow of the water through the filter to backwash, and the contents of the filter are churned, they will also settle back down with the largest at the bottom–free of clogging debris.
If you have a diatomaceous earth filter, you will have to replace some of the diatomaceous earth after backwashing.
You add the earth through the skimmers so that it goes straight to the filter.
With a gravel/sand filter, you can backwash once a week or less frequently — but all depends on the particulate debris that gets in your pool water.
Periodically, you should open your filter, too, and check the volume of sand/gravel in it, since just a little is lost when you backwash. Once a year is probably often enough to do this.
Also, there are rubber seals/o-rings that keep the pressure up in the filter. If there is a leak in the seals or o-ring, then the pressure will never build up as it should until they are replaced.
I like to backwash about once a week until the effluent runs clear, indicating that the surface of your filter bed is clean.

Leslie’s pool supply bad install and service part 2