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Questions? Call or Text our US based team: 800-964-5341
Questions? Call or Text our US based team: 800-964-5341

CRMI Open Top Cone Bottom Tank


Questions? Call our US Based team: 1-800-964-5341 (9am-9pm; 7days a week)

6 Week Lead Time for most tanks.

Please Call or use Request a Freight Quote (below) to confirm ship dates.

Free Local Pickup Available at Caldwell, Idaho facility.

Custom Tank Sizes Available: Call or Use Custom Quote form below to request a custom size.

Request Custom Tank Quote or Freight Quote
Original price $526.00 - Original price $3,281.00
Original price
$526.00 - $3,281.00
Current price $526.00

Custom Roto Molding Inc conical open top cone bottom chemical storage tanks provide efficient chemical storage for commercial and industrial use. The conical chemical storage tanks range in size from 450 gallons to 1,750 gallons and are available in high density polyethylene (HDPE) or cross linked polyethylene (XLPE).

    Tank Material:

    • HDPE - High Density Polyethylene is a thermoplastic polymer created from petroleum.  HDPE has a high impact resistance and melting point.
    • XLPE - Cross Linked Polyethylene offers superior heat and chemical resistance, stress cracking resistance and low temperature impact strength. Offers superior corrosion and chemical resistance than HDPE.

    Open Top Cone Bottom Tank Features:

    • 2 inch Polypro with EPDM gasket outlet.
    • 2.0 Specific Gravity rated (holds liquid 2 times denser than water).
    • Optional tank stand.
    • Natural white color.
    • Choice of HDPE or XLPE material.

        Open Top Cone Bottom Tank Dimensions (Diameter x Height in inches):

        • 450 Gallon: 48" D x 68" H / 120 pounds
        • 475 Gallon: 48" D x 68" H / 120 pounds
        • 600 Gallon: 48" D x 68" H / 120 pounds
        • 775 Gallon: 48" D x 68" H / 120 pounds
        • 825 Gallon: 48" D x 68" H / 120 pounds
        • 1,300 Gallon: 48" D x 68" H / 120 pounds
        • 1,750 Gallon: 48" D x 68" H / 120 pounds
        Open Top Cone Bottom Tank Spec Sheets:

        Estimated Product Handling: 2 to 3 days

        After placing an order, customers have up to 48 hours to cancel the order unless the item has been crated and/or shipped.

        Orders for large or heavy items ship via a trucking carrier. Freight delivery is typically 2 to 6 business days, allow extra time for remote locations.

        The Freight Carrier or Tucking company will contact you to set up an appointment time before delivering.  Once your product leaves our warehouse, we will send you an email with a link to the freight carrier’s website and the tracking number. Tracking numbers take 1 business day to update.

        Package Inspection

        Please inspect your package upon delivery. If there is obvious damage, please note the damages on the delivery receipt. Contact us within 24 hours to report the damage, by either e-mail or phone. Please retain all original boxes and packaging.


        • All returns must be pre-authorized and require a return authorization.  Please email to request a return authorization.  
        • Returns are accepted for brand new and unopened products only.  No products may be returned after installation or attempted installation.
        • All returns must be requested within 30 calendar days from the delivery date.
        • The product must be in the original packaging and include all packaging materials, crates, boxes, and pamphlets.
        • All returns include a 20% restocking fee.
        • Customers are required to pay for the cost of return freight shipping.
        • The final return amount will be calculated as the Purchase Price less return shipping cost less the 20% restocking fee.

        Tanks manufactured by Custom Roto-Molding, Inc. are warranted against defects in material and workmanship for a period of Five (5) Years from date of original purchase.

        Custom Roto-Molding tanks conforms to ASTM D-1998 specification. Warranty only applies to Tanks that have been correctly installed and have not been subject to abuse or misuse. These warranties are made for the benefit of the original end user. 

        1. It is the responsibility of the end user to perform initial cleaning, testing for leaks and the suitability of the storage tank to a specific application. Verify chemical compatibility in accordance with chemical resistance chart provided by resin manufacturer. 

        2. All external pluming must have secondary support and must not apply excessive load on the tank outlets. Please provide flexible connections between tank and rigid pluming installations. Lifting lugs are to be used only when tank is empty. 

        3. Refer to OSHA confined space entry procedures prior to cleaning any tank. 

        4. Warranty does not cover misuse, fire, accident, negligence, transit damage, unauthorized modifications to the product, excessive external pressure or abnormal use. 

        5. Warranty does not cover loss of product through leakage or damages for injuries persons or property caused by leakage. 

        6. Tanks and fittings have not been cleaned or pretested for leaks. Fill with water and clean before using. Rinse well and check compatibility before use. 

        7. Liability of the manufacturer under this warranty and any other warranty, expressed or implied, statutory or otherwise, is limited to repair or, at the Manufacture’s option, replacement of defective product which is shown to have been defective when shipped, and only then if the Manufacturer is notified in writing of the defects within the warranty period and items in question are promptly delivered to it’s point of manufacture. Transportation charges are to be prepaid. 

        7. Inspect product for any damages incurred during shipping and handling to tank and fittings upon receipt. 

        8. Vertical flat bottom tanks must be installed on a stationary, flat level, solid sur-face.