You typically want your cyanuric acid (CYA) level to be 30 - 50 ppm.
The easiest way to lower it is to drain and refill the pool. To get to 30 from 300 you would have to drain 90% of the water.
The only other way to lower it is with a reverse osmosis (RO) machine, which most people do not have access to.
The long term solution is to stop using buffered sources of chlorine, such as tri-chlor. These add CYA every time you chlorinate, but the CYA is never "used up" so it keep accumulating. Ultimately your chlorine is over-buffered or "locked" and is no longer available to perform disinfecting.
How large is the pool? In ground or above ground? Shape? Above ground is easier to calculate. I have an oval above ground pool which is 18 x 38. It holds approx. 15,000 gallons. To get an accurate answer, you need to be far more specific.
It normally runs around $300-$500 a year for this service. It just depends on where you're located and what is involved with cleaning your pool. Check with a local pool cleaning company to find out.
There are several trim levels for the Chrysler 300. The Chrysler 300 comes in LX, Touring, Limited, "C", and SRT8 trim levels.
It all depends on what type of pool pump you need; if it is a standard erect above ground pool pump, it can cost anywhere from $75 to $300. But if it is a in ground pool that needs a new pump, it is going to be thousands of dollars for a good one that won't break easily and the installation is also costly.
It would depend on the pool length, In Internationally sanctioned events the pool length is 50 meters. The USA is the only country that holds or has pools that are measured in yards, either 25 or 50. In a 25 yard pool.. 12 laps. In a 50 yard pool, 6 laps.
300+
A Wave Pool would come close to $300-600,000. Depending on several things that the pool may have and size.
There are 300 cm in 3 meters
$300!!
300
300 lbs
300 gallons.