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Graf

Graf Tanks | Platin Tank | Graf Rainwater Harvesting

Built on German engineering and trusted worldwide, GRAF offers some of the most reliable and efficient water storage solutions on the market. Whether you're harvesting rain for irrigation, managing stormwater, or storing water for later use, GRAF water tanks deliver long-term performance with minimal maintenance.

The standout in the lineup is the Platin underground tank, engineered for shallow installations and high groundwater areas. Its low-profile design and robust structure make it a smart choice for homeowners, landscapers, and commercial contractors alike. For larger-scale needs, the Carat tank offers powerful capacity and durability in tight spaces.

From complete rainwater harvesting systems to underground attenuation solutions, GRAF provides everything you need to build a sustainable, cost-effective setup. With various sizes including 5,000-liter models and above, you'll find efficient options for every project.

Have questions? We’re here to help with no obligation to buy.
📞 Call (314) 200-1341 or email us at support@thefountaindirect.com

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Graf Platin 800 Gallon Underground Rainwater Cistern

$3,447.00
$3,447.00 - $3,447.00
$3,447.00
$3,161.38
$3,161.38 - $3,161.38
$3,161.38

800 Gallon Low-Profile Underground Tank for Shallow Burial and High Groundwater The Graf Platin 800 Gallon Underground Cistern is the ideal soluti...

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$3,447.00
$3,447.00 - $3,447.00
$3,447.00
$3,161.38
$3,161.38 - $3,161.38
$3,161.38
Save $285.62 Save $0.00
Save $110.01 Save $0.00

Vehicle Loading Upgrade

$1,000.00
$1,000.00 - $1,000.00
$1,000.00
$889.99
$889.99 - $889.99
$889.99

Vehicle Loading Option Available This tank comes standard with a pedestrian-rated access lid, which is safe for areas where people may walk over it...

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$1,000.00
$1,000.00 - $1,000.00
$1,000.00
$889.99
$889.99 - $889.99
$889.99
Save $110.01 Save $0.00
Save $225.00 Save $0.00

Graf Optimax Pro® Internal Filter Package

$1,874.99
$1,874.99 - $1,874.99
$1,874.99
$1,649.99
$1,649.99 - $1,649.99
$1,649.99

Internal self-cleaning cascade filter for underground cisterns and above-ground water tanks. Suitable for roof areas up to 3,750 sq. ft...

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$1,874.99
$1,874.99 - $1,874.99
$1,874.99
$1,649.99
$1,649.99 - $1,649.99
$1,649.99
Save $225.00 Save $0.00
Save $552.60 Save $0.00

Graf Carat S 1250 Gallon Underground Rainwater Cistern

$4,604.93
$4,604.93 - $4,604.93
$4,604.93
$4,052.33
$4,052.33 - $4,052.33
$4,052.33

1250 Gallon Underground Rainwater Tank with Riser and Locking Lid The Graf Carat S 1250 Gallon Underground Cistern is engineered for serious rain...

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$4,604.93
$4,604.93 - $4,604.93
$4,604.93
$4,052.33
$4,052.33 - $4,052.33
$4,052.33
Save $552.60 Save $0.00
Save $719.99 Save $0.00

Graf Platin 1350 Gallon Underground Rainwater Cistern

$5,999.92
$5,999.92 - $5,999.92
$5,999.92
$5,279.93
$5,279.93 - $5,279.93
$5,279.93

1350 Gallon Low-Profile Underground Water Tank for High Groundwater Areas The Graf Platin 1350 Gallon Underground Cistern is the ideal rainwater s...

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$5,999.92
$5,999.92 - $5,999.92
$5,999.92
$5,279.93
$5,279.93 - $5,279.93
$5,279.93
Save $719.99 Save $0.00
Save $606.60 Save $0.00

Graf Carat S 1700 Gallon Underground Rainwater Cistern

$5,054.93
$5,054.93 - $5,054.93
$5,054.93
$4,448.33
$4,448.33 - $4,448.33
$4,448.33

1700 Gallon Underground Water Storage Tank with Telescopic Riser and Locking Lid The Graf Carat S 1700 Gallon Underground Cistern is a premium cho...

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$5,054.93
$5,054.93 - $5,054.93
$5,054.93
$4,448.33
$4,448.33 - $4,448.33
$4,448.33
Save $606.60 Save $0.00
Save $459.90 Save $0.00

Graf Carat S 1700 Gallon Underground Extension Tank

$3,832.43
$3,832.43 - $3,832.43
$3,832.43
$3,372.53
$3,372.53 - $3,372.53
$3,372.53

Add-On Underground Water Tank for Expanding Rainwater Harvesting Systems The Graf Carat S 1700 Gallon Underground Extension Tank is designed to sea...

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$3,832.43
$3,832.43 - $3,832.43
$3,832.43
$3,372.53
$3,372.53 - $3,372.53
$3,372.53
Save $459.90 Save $0.00
Save $1,216.79 Save $0.00

Graf Platin 2000 Gallon Low-Profile Underground Rainwater Cistern

$10,139.92
$10,139.92 - $10,139.92
$10,139.92
$8,923.13
$8,923.13 - $8,923.13
$8,923.13

2000 Gallon Low-Profile Underground Water Tank for Shallow Burial and High Groundwater Conditions The Graf Platin 2000 Gallon Underground Cistern ...

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$10,139.92
$10,139.92 - $10,139.92
$10,139.92
$8,923.13
$8,923.13 - $8,923.13
$8,923.13
Save $1,216.79 Save $0.00
Save $1,494.00 Save $0.00

Graf Carat-XL 2650 Gallon Underground Water Storage Tank

$12,449.93
$12,449.93 - $12,449.93
$12,449.93
$10,955.93
$10,955.93 - $10,955.93
$10,955.93

Graf Carat-XL 2,650 Gallon Underground Cistern World’s Strongest Plastic Underground Cistern for Extreme Load and Groundwater Conditions This heavy...

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$12,449.93
$12,449.93 - $12,449.93
$12,449.93
$10,955.93
$10,955.93 - $10,955.93
$10,955.93
Save $1,494.00 Save $0.00
Save $1,620.00 Save $0.00

Graf Carat S 5100 Gallon Modular Cistern

$13,499.93
$13,499.93 - $13,499.93
$13,499.93
$11,879.93
$11,879.93 - $11,879.93
$11,879.93

5100 Gallon Modular Underground Tank for Large-Scale Water Storage Systems The Graf Carat S 5100 Gallon Underground Cistern is the ultimate solutio...

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$13,499.93
$13,499.93 - $13,499.93
$13,499.93
$11,879.93
$11,879.93 - $11,879.93
$11,879.93
Save $1,620.00 Save $0.00
Save $135.90 Save $0.00

Graf Herkules™ 430 Gallon Versatile Above Ground and/or Underground Water Tank

$1,132.43
$1,132.43 - $1,132.43
$1,132.43
$996.53
$996.53 - $996.53
$996.53

Graf Herkules™ 430 Gallon The Most Versatile Starter Tank on the Market, Above Ground or Underground Getting started with rainwater harvesting? The...

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$1,132.43
$1,132.43 - $1,132.43
$1,132.43
$996.53
$996.53 - $996.53
$996.53
Save $135.90 Save $0.00
Save $270.00 Save $0.00

Norwesco 1100 Gallon Above Ground Water Tank - Dark Green

$2,249.93
$2,249.93 - $2,249.93
$2,249.93
$1,979.93
$1,979.93 - $1,979.93
$1,979.93

Norwesco Tank 1100 Gallon Get this Norwesco tank quicker with our in stock availability The 1100 Gallon water storage tank is available in Dark Gre...

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$2,249.93
$2,249.93 - $2,249.93
$2,249.93
$1,979.93
$1,979.93 - $1,979.93
$1,979.93
Save $270.00 Save $0.00
Save $414.00 Save $0.00

Graf Platin 800 Gallon Cistern

$3,449.93
$3,449.93 - $3,449.93
$3,449.93
$3,035.93
$3,035.93 - $3,035.93
$3,035.93

Graf Platin 800 Gallon Underground Rainwater Cistern Big Water Storage. Low Dig. Zero Excuses. Why waste time digging deep when you can store 800 g...

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$3,449.93
$3,449.93 - $3,449.93
$3,449.93
$3,035.93
$3,035.93 - $3,035.93
$3,035.93
Save $414.00 Save $0.00
Save $425.87 Save $0.00

Graf Carat S 1000 Gallon Cistern

$3,548.92
$3,548.92 - $3,548.92
$3,548.92
$3,123.05
$3,123.05 - $3,123.05
$3,123.05

1000 Gallon Underground Rainwater Tank for Residential and Commercial Use If you’re looking for a long-lasting, high-performance underground rainwa...

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$3,548.92
$3,548.92 - $3,548.92
$3,548.92
$3,123.05
$3,123.05 - $3,123.05
$3,123.05
Save $425.87 Save $0.00
Save $354.60 Save $0.00

Graf Carat S 700 Gallon Underground Rainwater Cistern

$2,954.93
$2,954.93 - $2,954.93
$2,954.93
$2,600.33
$2,600.33 - $2,600.33
$2,600.33

700 Gallon Underground Rainwater Tank for Residential Use If you're still using above-ground tanks or skipping rainwater storage altogether, you'r...

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$2,954.93
$2,954.93 - $2,954.93
$2,954.93
$2,600.33
$2,600.33 - $2,600.33
$2,600.33
Save $354.60 Save $0.00
Save $702.00 Save $0.00

Graf Platin 400 Gallon Cistern

$5,850.00
$5,850.00 - $5,850.00
$5,850.00
$5,148.00
$5,148.00 - $5,148.00
$5,148.00

Graf Platin 400 Gallon Underground Rainwater Cistern The Easiest Way to Start Harvesting Rain, No Deep Digging Required Need water storage but don’...

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$5,850.00
$5,850.00 - $5,850.00
$5,850.00
$5,148.00
$5,148.00 - $5,148.00
$5,148.00
Save $702.00 Save $0.00

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