kitty chlorinecomes in dissimilar form with differing story of stability . Pool owners can save Cl over the winter and utilize it again in the spring , but they should be aware that some chlorine will be less effective after long storage .

Liquid Chlorine

Liquid atomic number 17 for pool is made by infusing chlorine gas into a acrid soda answer . It has 15 percentage available atomic number 17 and is an effective sanitizer when used promptly . However , it has a very short ledge life . Within 30 days , available chlorine drop to as low as 9 pct . There is no harm in using fluid Cl after lay in it through the winter , but it will be less effective than when initially purchased .

Tri-Chlor Tablets

Trichlor tab are unremarkably sell in 1 - column inch and 3 - in tablets and 3 - inch sticks . This eccentric of Cl has about 90 percent available chlorine and is the most common puddle sanitizer . It is highly unchanging and has a shelf life of five long time or more . Trichlor tablet often come individually wrapped in plastic , which slow degradation even more . This type of chlorine is highly effective even when stored over the wintertime .

Dichlor Granuals

Although used largely in spas , Dichlor is also used in swim pools . It come in in fast - fade out granules and is circulate by helping hand . It has around 56 to 62 percent available chlorine . This formulation also has a long shelf life and can be safely and in effect used after storing over the wintertime .

Chlorine & Free Chlorine?

It is well acknowledge that chlorine in the water system is a critical ingredient in hold open swimming pool good for swimmer . But less well understood is that there are different type of chlorine in the water , and not all of them are " upright " forms . Chlorine , or Cl , is a very common chemical substance . In its staring elemental variant , Cl is extremely toxic to nearly all living forms , but when bonded in certain compound , it can be used as a antimicrobial to kill bacteria and algae in swim pools or as a worldwide - purpose bleaching agent . The liquid atomic number 17 , which is essentially the same as ordinary home bleaching agent . These amounts bet on how heavy the consortium is used , amount of rainfall and other conditions . Once destitute atomic number 17 does its business by binding with contaminants , it is still establish in the pool water but is no longer useable to do its job as a disinfectant . Paradoxically , the look of Cl in the water means that more complimentary atomic number 17 should be tot up . Not all trial run kits tell you the amount of free chlorine in the H2O . Free chlorine should be maintained at 1 to 3 parts per million .

References

…