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HydroSack Emergency Sandbag Pack of 2

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  • Manufacturers
    • Manufacturer
      Gravitas International Ltd
  • Weight
    1.35 kg
  • Product code
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Sand Bag Alternative - Self-Inflates in Water

In the event of a flood simply place the HydroSack in water - or spray with a hose. They will quickly expand and will absorb up to 20 litres of liquid, and thereafter will act as a barrier to stop excess waters surging into your home or premises - it will retain it's weight for over 3 months.

HydroSack Water Reactive 3-Section Sandless Sandbag with Handles. The HydroSack is the most important development in emergency flood protection since the invention of the sandbag. Before use the HydroSack can be safely stored in a dry location for 5+ years. Since the HydroSack only contains pulp and Super Absorbent Polymer, both are harmless to the environment, and after slitting the sack, they can be dispersed into the soil without any harmful effects. The HydroSack has built-in handles for easy movement, especially useful in emergency conditions. The unique 3 section structure of the HydroSack allows a controlled spread which prevents the contents from moving from side to side. Although these bags will not absorb seawater, if activated with fresh water, they can be used to protect against seawater flooding.


  • perfect for emergency flood response
  • acts as an immediate flood barrier
  • each bag absorbs 20 litres
  • reduces damage from leaks and flooding
  • eco-friendly, contains pulp and super absorbant polymer
  • easy to dispose - simply slit the sack and disperse the contents into the earth
  • suitable for landfill and incineration
  • can be used for flood containment, domestic leaks, sewage problems, building sites, agriculture and sports fields
  • Weight 1.0kg
  • 60cm x 48cm



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