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Round Poly Tanks

  • $229.00

Call 1-800-557-4689 to find your local dealer

Our customer service team will help you find your nearest dealer. Dealership and direct sale pricing may vary. If a dealer is not in your area, please ask us for a freight quote to your location. Customer Service Hours: Monday - Friday, 8 am to 5 pm CST

Water Poly Tank Resists Cracking


  • Stock tanks that resist denting or cracking from the effects of weather, accidents or ill-tempered animals. Safe for all livestock; hogs, pigs, cattle, horses.
  • Use it in confinement, field, feedlot or pasture.
  • All parts are uniform in thickness with no thin corners or edges.
  • All corners and edges are rounded and smooth.

Order Online: 
1" Plug (F156140) for 6' Tanks
1.5" Plug (F160996) for 7.5' & 9' Tanks

UV Protection  Made of durable Polyethylene  Made of Recycled Material

Product# Weight MSRP
6' x 2' deep
335 gallons
57 lbs. $229
7.5' x 2' deep
530 gallons
100 lbs. $329
9' x 28" deep
950 gallons
140 lbs. $488

We try our best to ship orders in the timeliest manner possible. Each product may have a different level of manufacturing demand and timeframe for shipment.

Shipping Rates

We offer calculated shipping rates during the checkout process. USPS and UPS options are available if the product ordered qualifies for those options.

Order Processing

Business Days: Monday-Thursday.
Holidays, Fridays, Saturdays and Sundays are not included in processing days.

If you have any questions or concerns about your order's status, please email us at to discuss.


Products on this website do not qualify for returns. We understand this may cause you concern....

We are here to help!

Our customer service team is available Monday-Friday, 8am to 5pm CST to discuss the parts in question PRIOR to placing your order.

Call us toll free at 1-800-557-4689 to talk and confirm your parts needed.

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We distribute products through local dealerships in your area. Prices and product availability may vary between dealerships.

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Ask a Question

NOTE: All product specifications are subject to change or improvement without notice. We reserve the right to change product pricing at any time without further notice. Pricing may differ at the time of purchase.

Contact Sioux Steel by emailing or by calling our customer service specialists at 1-800-557-4689 for additional information.

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Ask a Question
  • How thick in millimeters are the walls of the poly round stock tanks?

    Thank you for reaching out and asking! Below is the information for the different sizes of poly round stock tanks:

    For the 6ft Dia Round Ploy Tank: 4.3 mm

    For the 7.5ft Dia Round Ploy Tank: 5 mm

    For the 9ft Dia Round Ploy Tank: 5 mm

  • I’m looking to buy a 9ft by 28 Sioux steel poly stock tank. My zip code is 13367. Is there a dealer near me or can it be shipped?

    Greetings! We would love to help... your nearest local Sioux Steel livestock dealer is:

    CATO, NY 13033

  • how much would a 9 ft round sioux- poly stock tank cost to ship to harrisburg pa?

    Thank you for your question!
    Please call our Livestock Customer Service toll free at 1-877-782-3073 to assist you with finding your nearest dealership or quoting you freight to your location.


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