Normal Pool Chemical Levels

For most accurate testing results pool and hot tub spa owners should use a dpd test kit to measure free chlorine and ph.

Normal pool chemical levels.

So the pool store says to turn our chlorine generator down to like 10 20. That is draining a portion of pool water and refilling with unstabilized water or you can use bio active cya remover with varying levels of success. In this blog we ll discuss the importance of testing and adjusting these chemical levels and show how to balance within our recommended ideal chemical range. If filling a pool add enough cyanuric acid to raise to 20 ppm or 2 lbs per 10000 gals and stabilized chlorine tablets will add.

Your pool s ph level should always be somewhere between 7 4 and 7 6. Shop online or in store in derry nh plaistow nh or north reading ma for pool and spa supplies above ground pools spas parts and accessories. Employing only the highest quality materials in our projects. Add baking soda sodium bicarbonate add muriatic acid.

Add soda ash add muriatic acid diluted total alkalinity. There are five chemical levels that every pool owner needs to keep track of. Our pool builder continues to tell us that our chlorine levels do not matter in our salt water pool. The association of pool and spa professionals recommends free chlorine levels for both swimming pools and hot tubs be kept between 2 0 and 4 0 ppm.

We ll take the water to get tested and they ll say our chlorine is high like 7. It s an unstable factor and can be affected by debris rain and anything else that slips in. Salt level is ok. These are the ideal levels for pool chemistry or the most acceptable range for proper pool water chemistry.

The problem is that these levels are affected by so many other factors that testing these levels is only a small part of the equation. Drain pool and refill. Of note if the free chlorine concentration of the water sampled from the pool or hot tub spa is more than 10 ppm the test might partially or totally bleach out resulting in a false low or 0 ppm free chlorine result. Level depends on cya ph acidity basicity needs to be kept in balance to prevent irritation and protect the pool equipment 7 2 to 8 0.

These are the average ideal ranges however there are times when it can be desirable or necessary to operate outside of one or more of these ranges. However the center for disease control recommends free chlorine stay above 1 ppm in pools and 3 ppm in hot tubs.