71414A-20 Oxy Brite, 1-Pound, 20-Pack

Tried other product for about 3 months and could not keep the water clean. Went back to GLB and my water is clear again. There is something about this stuff that works, and don't plan on changing again.

I’ve used this product for 6 seasons now and love it. It really does the job of clarifying my water. Super easy to use . I put in 2 bags a week and keeps my water so clear. Used something else to start the season but came back to this product when I figured out what my problem was.

This is the only shock I have used for years. I even used it to open my pool and clear it up this spring. It works great, and you can swim after it, not like the chlorine shock I had been using. I love the 20 pack which is packed in the right one pound packages which are the right size for my pool. The packets came in a sturdy box with an opening in the front to grab one out while storing the rest. Love it!

I have used this for awhile now, and it does a super job, much better that the Clorox brand. It keeps the water very clear and you don't have that chlorine smell. I like it.

We have used this product for approximately 20 years on our swimming pool. The water has always been crystal clear, with no sign of algae.

Have used this with eco smarter pool for a number of years. Works well, Amazon with best price.

I run a chlorine free pool that is based on copper and ozone from Eco Smarte. I have built 3 pools and this is the best and easiest to maintain by far. This non chlorine shock cleans things up in the rare occasion that I get a cloudy pool. The whole system is incredibly good and easy.

Dies what it claims.