hth Ultimate shock treatment, 1 lb

from eblizjz7

It is so good! It cleans the water and brings it back to a crystal clear and perfect to have a clean pool.

from Lori

They work so well. I use them with the ultimate shock weekly and never need to do anything more. Pool stays crystal clear and its not irritating to eyes and skin.

from Lily

Cleared my green pool within hours. I used this for a 10ft diameter, 1000 gallon, pool that has a small intex H cartridge filter. Before using the shock it had been cloudy for one then green for 3 days after. I Only used 1/3 of the shock packet and it stared clearing within a few hours, and I con...

from Amazing

Started with cloudy green pool. Followed directions exactly, running sand filter 24/7 and backwashed daily. By third day, turned green to white cloudy. Had to buy hth Clarifier to turn the cloudy to sparkling clear. Used together, my pool went from gross to beautiful. It is now crystal clear....

from Sanner

Liked how it worked. A little high in price.