3 Things I HATE That Pool Owners Do!

From www.swimmingpo... this video talks about three specific things that I hate which swimming pool owners often do. Learn about the importance of chemical interactions and why you should avoid adding different pool chemicals at the same time. Next learn about combined chlorine, what it is, how you measure for it in pool water, and how even 1.0ppm of combined chlorine can make your water "bad". Finally learn about pool safety with this tip about active main drains versus passive main drains and how to tell whether your pool main drain is safe or not.