Left Continue shopping
Your Order

You have no items in your cart

You might like
Add to cart
Fast and free shipping over $400.


Super Shock hth Extra 454g


  • Super Shock hth Extra 454g
  • HTH Extra Super Shock is fast and powerful! HTH Extra Super Shock contains 75% available chlorine, which makes it 15% more potent than regular HTH Shock! Its extra fine, quick-dissolving formula is made in a patented process that makes it perfect for weekly shock treatments and for killing algae. No need for messy liquid chlorine to sanitize your pool, HTH EXTRA is easier to store and use. One sachet is approximately equivalent to 10 liters of liquid chlorine.