HTH Pool Care Shock for Swimming Pools, Pool Chemicals, 5.5 lbs

from Kimberly

It works fantastic!! Pool was green with algae. Put it in at night and ran pumps all night. Pool water was blue next morning. It was a bit cloudy but cleared up on the 2nd day after shocking the pool. I have a saltwater pool. I've never had algae in my SW pool for over 10 years until this summer...

from balamadras

HTH application cleans the pool just in minutes. I have above pool setup and the chemical needs varies. This pool shocker will immediately dissolves with water and brings down all the dirts and kills algae.

from Jess

I purchased this to remove the mold on my washing machine gasket, and it worked perfectly. The difference is amazing. Not quite like new, but the improvement is truly stunning. I thought nothing could remove it. If you use it for this purpose, be careful. The fumes are STRONG.

from Cait

I got this to open and maintain the water in my 18ft round, 52in deep pool. Worked flawlessly for opening. Cleared the water right up. Been using it weekly or after rain, and my water has literally never looked better. Not only does this shock work really well, it's also super easy to use and mu...

from Ace

I have had issues with shock not wanting to dissolve and stain my liner in the past. We have had 0 issues with this product. I will be sticking to this for years to come. We have a 10,000 gallon pool