Doheny's Super Pool Shock, Pro-Grade 68% Cal-Hypo Granular Chlorine, Quick-Dissolving, Kills Algae & Bacteria, 24 x 1 lb Bags

Dohenys products are by far the best pool products that i have ever used..They last for a long time. My pool looks amazing and the pool water smells so good amd clean. I have very hard water and i usually can smell it on my clothes snd skin when i get out of my pool. Bur with their products my pool water doesn't have that awful smell. The shock turned my pool blue instantly. the 3 in tablets i put in my skimmer and my basket on the side. they last forever, ehen i tirn my ppol on you can snell the cleanness of the water. it makes it soft too, if you habe hatd water you know what i mean. my hair doesn't feel like straw when i get out either. i will always use their products, others are a waste of money.

Another season underway using Doheny quality pool chemicals. I use their shock and 3 inch chlorine tabs and pH Up and the pool is ready for swimming within 7 days of opening and shocking. During the season, never a problem. And their prices are so much lower than any pool supply store on Long Island. With Doheny ( and my old Dolphin robot) maintaining my pool is a breeze.