Pump working hours

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Geonapa

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May 27, 2010
17
My pool is 31000 liters and my pump is doing 15500 liters/hour (1hp - 0.75kw), at least thats what it says in its label.
In summer the pool gets direct sun from 9.00 hours till 18.00 hours, so thats 9 hours of sun. This gets the pool temperature from 11 Celsius in winter to 31 or 32 Celsius in summer.

I have been running my pool for 5 hours, but not continues, thats from 6 to 7, 9 to 10, 12 to 13, 15 to 16 and 18 to 20. From 18 to 20 is the time i do some maintenance, eg cleaning, adding bleach etc.
The pool is doing fine, some fogy water sometimes, but thats my chemistry so no particular problems.
Now, from the pool school it says the pump must do at least one cycle of the capacity of the pool water, but for my pool size thats only 2 pump hours.

So, basic to the pool school, shall i decrease the pumping hours to just 2 hours? What times shall i use that 2 hours? Are my 5 hours pumping time timers too much? Are my 5 hours timer programs ok? Any suggestions?

Thanks in advance
 
That depends. The 1 turn per day is not a hard number. It depends on a number of things. Exposure to the sun, method of chlorination, and size will impact run time for your pool. The use of trichlor tabs typically requires a longer run time. Very strong sun may require an even long run time to make up for chlorine demand. Bather load will effect it..... I could go on.

Scott
 
I use Bleach for chlorine, i stick to BBB.
Not may people use the pool every day, its just a family pool, but how many people use the pool is in my case is not such a bit of a case, i believe, since i check my chlorine chemistry every day and also when someone uses the pool, we manually switch the pump on so that the filter can do a better job (People using the pool is the best cleaning aid from debris, i think).

So, how about helping me out with my original post message?
 
Geonapa said:
So, how about helping me out with my original post message?
Click to expand...
PoolGuyNJ was helping you out with your original post message.

Pump run times are very variable. What works for one pool, does not for another. I run my pump on low speed 24/7. It probably does not need that much, but I also have not had problems with things like
fogy water
Click to expand...
which may not always be a function of just chemistry.

If you want try 2 hours, try it and observe the results. My guess is that will be to short (it would be for my pool) but only you can determine that.
 
Every pool is different, so its not a hard and fast formula. You could try reducing the pump time to 2 continuous hours per day and see if there is any decrease in water quality, assuming you stay on top of the testing and dosing as usual. I prefer to run mine in the afternoon when I add bleach. If you find the water quality suffers, add an hour to the run time and see how things go. The time of day you choose to run the filter is not as big an issue as staying on top of the water chemistry and adequate run time on the filter. Running the filter longer than needed for 1 turn over of water will not hurt the pool, its just not very energy efficient.
 
Me personally, I would want to have it on continuously for at least one turn over. So, at least a constant 2 hour run time in your case. Maybe three hour run time in the morning and stick with your same 2 hour run time from 18-20 to do maintenance/chem additions/etc.
 
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