You have to take the lower of those two values to make sure you don t overwork any components of your pool so.
35000 gallon pool.
Winter stain scale.
With two turnovers per day your minimum flow rate comes to 20 8 gpm.
If your pool has sloping sides multiply your final figure of gallonage by 0 85 for correct gallonage.
Think of this a little like the miles per gallon mpg quoted as gas mileage on your car.
Nava kit 3 for pools up to 35 000 gallons includes.
Most pool shock packages will list directions to add 1 lb.
That may be fine for normal conditions but if you have a severe algae attack a triple shock is needed.
Since you are only 17 of 10 000 gallons you could use 17 of the bag or 2 72 ounces and up to 4 oz half cup would be ok as well.
Floating slow dissolving winter oxidizing tablets 3 1 lb.
Oval pools multiply full width x full length x average depth x 6 7 gallons irregular shapes and size pools capacity should be determined by your pool builder or specialist.
Let s also say that you have a 2 3 square foot sand filter 50 gpm max and 1 5 plumbing 43 gpm.
When calculating minimum and maximum flow rates with feet of head for a 22 000 gallon pool you need a variable speed pool pump rated between 1 and 1 1 2 horsepower with a 46 gallons per minute.
Since it takes one btu to heat one pound of water by a single degree we now know that in order to raise this entire 20 000 gallon pool by one degree it will take 166 000 btu s of heat energy.
Now we need to calculate the number of gallons in our swimming pool which measures 40 x 30 x 6.
So let s say you have a 15 000 gallon inground pool.
If a pool is 35 000 gallons and we want a turnover rate of 8 hours our equation would look like this.
The normal shock dosage for a clean and clear pool is 1 lb of granular per 10 000 gallons of pool water.
The volume is 7200 cubic feet and when converted to gallons it is 7200 x 7 48 one cubic foot is 7 48 us gallons 53 860 gallons.
1 bag will get reach 7 9 ppm but for 30 ppm you need 3 4 or sometimes even 5 lbs per 10 000 gallons of pool water.
20 000 gallons x 8 3 lbs gallon 166 000 lbs of water that needs to be heated.
Pumps on the other hand use a slightly different description of gallons per minute or gpm.
1 bag of shock per 10 000 gallons of pool water.
35 000 8 60 73 gpm gallons per minute according to the table above we need a pump with a 73 gpm rating in order to achieve an 8 hour turnover time.
Our non chlorine kits come complete with everything you need to close your pool and protect your liner or plaster walls from ugly stains or fading.
Dissolve it into a bucket of clean water and pour around the edge of the pool with the filter running.