GLB Supersonic 1lb.

Is your pool water turning green, cloudy, or algae-filled — right when you’re ready to swim?

GLB Supersonic Pool Shock 1 lb is a powerful, fast-acting chlorine shock treatment designed to quickly restore water clarity, eliminate algae, and destroy organic contaminants that standard sanitizers leave behind.

Whether you’re opening your pool for the season, recovering from heavy rain, or fixing a neglected pool, Supersonic delivers rapid results you can see — often within hours.

Solves These Common Pool Problems

• Green or algae-infested pool water

• Cloudy or dull water clarity

• Chlorine demand / sanitizer burnout

• Heavy swimmer load contamination

• Pool opening water issues

• Organic waste & debris buildup

Supersonic works fast to oxidize contaminants and restore proper sanitizer performance so your chlorine can work efficiently again.

Fast-Acting Supersonic Performance

This high-powered shock formula dissolves quickly and gets to work immediately, making it ideal for:

• Emergency algae cleanup

• Weekly maintenance shocking

• Spring pool openings

• After storms or heavy pool use

No waiting days for results — Supersonic is engineered for rapid water recovery.

Key Features & Benefits

• Fast dissolving chlorine shock

• Kills algae & bacteria

• Clears cloudy water fast

• Restores sanitizer effectiveness

• Ideal for routine or problem pools

• Easy 1 lb pre-measured bag

Compatible with most chlorine pool systems and safe for use in properly balanced water.

Product Details

• Brand: GLB

• Product Name: Supersonic Pool Shock

• Size: 1 lb bag

• Type: Chlorine Shock Treatment

• Use: In-ground & above-ground pools

When to Use GLB Supersonic

• Pool opening (spring startup)

• Visible algae growth

• Cloudy or green water

• After heavy rain

• After pool parties / heavy use

• Weekly preventative maintenance

If your pool water looks unswimmable, don’t drain it — shock it back to life with GLB Supersonic. Fast, powerful, and reliable water recovery in one easy treatment.