Top Value Water Storage
  • Rainwater Collection
  • 300 gallons +
  • How to Install
  • Schools
  • AC Runoff & Other HOG Uses
  • Gray Water
  • Contact
    • About
  • BUY HOGS
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EMERGENCY WATER STORAGE. GRAYWATER. RAINWATER.

Award-winning architect-designed slim long-life water storage system

What do you need?   Vertical or horizontal rainwater storage?  If Vertical, you will want the Steel Wall Kit.
How many HOGS?  If just a few, use the handy DIY Graf connection.  If more than 3 HOGs hard-pipe the overflow like these.
Will you use a pump for pressure?  That means the ball valve outlet.  or will you use gravity and a hose? Get the hose-friendly outlet. 


NEW! 200-gallon 4-HOG System HERE!
Rain HOGs in NYC community garden
NYC Community Rain Garden
2500 gallons of rainwater stored
Part of a 50-HOG install for 2,500 gallons in Woodside CA
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* SAFE WATER  Cannot tip, spill or roll. 
* SUSTAINABLE Built for 20+ years, 1/4" UV food-grade plastic with no BPA
*FUNCTIONAL TANKS 
double the pressure of a barrel! Works vertically & horizontally.
* REUSABLE TANKS with screw-together fittings

RAIN HARVEST INSTALLATION VIDEOS HERE
RAINWATER AT SCHOOLS
BUY HOGS
GREEN WALLS USING RAINWATER
OTHER USES FOR HOG TANKS
Money Back for Your HOGS? Check here if you live in a city that will pay you up to $75 to install each HOG
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  • Rainwater Collection
  • 300 gallons +
  • How to Install
  • Schools
  • AC Runoff & Other HOG Uses
  • Gray Water
  • Contact
    • About
  • BUY HOGS