This depends on the water. take a sample to a pool shop and they will work it out for you. Or get a test kit so that you can do it your self.
We have a 30,000 gallon pool that we heated with a Paypak RP2100 for 11 years before it needed replacing. We live in central Maryland and it sits out in the elements year round and we have been very pleased with it.
420015% of 28000= 15% * 28000= 0.15 * 28000=4200
30% of 28000 = 30% * 28000 = 0.3 * 28000 = 8400
6% of 28000= 6% * 28000= 0.06 * 28000= 1,680
28000 liters = 28000/1000 =28 kiloliters
840030% of 28000= 30% * 28000= 0.30 * 28000= 8400
It is 28000.
28000
There are: 28000/50 = 560
28000
£28000 is $33,977
9 out of 28000 is 3.21486*10^-4