TANKS

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450-0401356
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40135
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NORWESCO
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1
382.58
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450-0401370
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40137
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506.79
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450-0402742
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40274
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493.53
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45105
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NORWESCO
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196.17
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450-0602016
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45193
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NORWESCO
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123.38
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450-0602054
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45053
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NORWESCO
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203.28
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450-0602061
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45117
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NORWESCO
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247.65
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450-0602078
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45059
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NORWESCO
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297.36
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450-0602085
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45061
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NORWESCO
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297.36
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450-0603031
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60303
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450-0603103
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63021
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450-0603110
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63022
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480.06
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Fertilizer Dealer Supply offers a wide selection of fertilizer tanks, water storage tanks and ag spray tanks. Chemical dealers, custom applicators and growers can find vertical storage, cone bottom, elliptical and low-profile tanks on our site.

Plastic, or poly, tanks are commonly used on farms and by commercial application businesses for efficient storage and transportation of water and other liquids. These poly tanks are popular for several reasons:
  • They cost significantly less than tanks made from other materials.
  • They are compatible with many liquid products used by farmers, commercial applicators, and commercial businesses.
  • They offer design flexibility.
  • They are relatively light-weight and easy to handle.
  • They are corrosion resistant.
  • They are relatively impact resistant.
  • They can be designed so that the amount of liquid in the tank is clearly visible.
  • The larger capacity tanks allow growers and dealers to purchase and store greater quantities of product.


Tank material construction
Poly tanks are built with highly durable, chemical-resistant resins formulated for today’s pesticides and fertilizers. The resins used in the manufacture of poly tanks are either high density linear polyethylene (HDLPE) or high density cross-linked polyethylene (XLPE). In general, both materials work well for the storage and transport of most pesticides and fertilizers.

A tank’s specific gravity rating is a measure of its ability to hold materials. The specific gravity of a substance is a comparison of its weight per unit volume to that of water. Manufacturers have designed tanks with specific gravity ratings of 1.0 to 1.9 or more. Higher specific gravity ratings indicate a greater ability to withstand hydrostatic stresses caused by a stored liquid.

Tanks must account for the internal forces required to hold the specific gravity of any given product. Wall thickness is a major factor in the ultimate strength of a tank. Tank wall thickness and overall design are two of the most important factors in determining its specific gravity rating. When purchasing poly liquid fertilizer tanks, for example, first consider the specific gravity of the heaviest liquid you will put into it; then look for tanks with that specific rating, or higher.

Tank design
Poly tanks have two distinct use designs: vertical tanks (also called stationary, upright, or hockey puck tanks) and horizontal tanks (side-to-side, transport, application, or leg tanks). The significant design differences between vertical and horizontal tanks dictate how they should or should not be used. Using a tank outside its design specifications voids the manufacturer’s warranty and increases the odds of tank deterioration, tank failure, costly cleanup and lost inventory.

Proper use and careful maintenance can extend their useful life. But, like every other piece of equipment, poly tanks won’t last forever. They require timely inspections to determine their integrity and decide when they need to be replaced.

This information was taken from Purdue University Extension publication PPP-77.