About This Item The HTH Super Green to Blue Shock is a 2-part system. Pack I shocks your pool with a boost of chlorine, helping you fend off bacteria. Pack II is a powerful flocculant that drops particles to the bottom of the pool for easy vacuuming. Both packs work together to create beautiful, crystal clear pool water within 24 hours. How To Use HTH Green To Blue Shock System Simply follow the on-pack instructions for both Pack I and Pack II. Pack I is the Cal Hypo Shock treatment and Pack II is a flocculant that drops dead particles to the bottom of the pool for easy vacuuming. About HTH Pool Care HTH was developed with the pool owner in mind. We know that maintaining your pool water can be a lot of work. Thats why we're here every step of the way, helping you clear the uncertainty from pool care. With economical, easy-to-use solutions, HTH is designed to work hard so you're prepared to tackle whatever life throws in your pool. From balancing your water to treating green water, w...

HTH Super Green to Blue Pool Shock Treatment System for Severe Algae in Swimming Pools

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HTH Super Green to Blue Pool Shock Treatment System for Severe Algae in Swimming Pools

Get same-day delivery from stores you know and love.

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