Great to be able to order online and get free shipping!

The best shock around and the highest concentrated

Have been using this shock for 4 years now...works great!

Best price anywhere at the time.

Have been using this brand for years now. Works great

Shock dissolves quickly and works fast.

Great product and works quickly to clear the water. I just wish it was cheaper.

Works the same as the brand we've used for years at a price reduction.

Bags are not sealed spill when you use them

I was shocked at the price increase over last year.