The Chem-Tainer 165 gallon vertical liquid storage tank (SKU TC3158IC) is a polyethylene tank built for above-ground liquid storage where you need real capacity without a sprawling footprint. It stands 58 inches tall on a compact 31 x 31 inch base, so it slips into pump houses, equipment sheds, and corners that wider tanks won't clear. If you have been searching for a straightforward vertical storage tank or vertical liquid storage tank that holds its volume in a small floor area, this is the size most buyers in this range land on.
Will it work for your liquid?
This tank holds 165 gallons and carries a 1.5 specific gravity rating - the figure that tells you how heavy a liquid the wall is built to hold. Plain water has a specific gravity of 1.0, so at 165 gallons of water the tank carries roughly 1,376 pounds of contents. Because it is rated to 1.5, you have headroom to store liquids heavier than water - up to a maximum rated contents weight of about 2,064 pounds. The "IC" in TC3158IC denotes the 1.5 specific-gravity build, so if you are cross-shopping you can confirm from the suffix alone that you are not looking at a lighter-wall part. Match your liquid's specific gravity against that 1.5 rating before you fill: if your liquid is heavier than 1.5, this is not the tank - call us at 866-418-1777 and we will match you to the 1.9-SG version of this size or a heavier-wall vertical. Not sure what size or rating you need? The Tank Sizing Calculator and the Tank Sizing Guide walk you through capacity and weight before you commit.
Dimensions, fittings, and seal selection
The tank measures 58 inches tall with a 31 x 31 inch footprint - useful numbers when you are laying out a containment area or a concrete pad. For pad work, our guide on concrete pad sizing for above-ground polyethylene tanks covers the ACI framework for supporting a filled vertical tank. For fitting locations, lid size, and outlet placement, see the technical drawing on this page; it shows the manufacturer's port layout for this model. Fitting and gasket material depend on what you are storing - confirm the port and seal layout against your liquid before ordering, and call 866-418-1777 if you want us to verify it for your service. If you want to compare this size against other brands in the vertical lineup, our 165 gallon vertical liquid storage tank buyer's guide lays out the options side by side.
How it ships and what to confirm first
At roughly 1,376 pounds full of water, this is a tank you place once and leave, so plan the location before delivery. The tank ships empty by LTL freight, quoted live to your ZIP from the nearest Chem-Tainer plant - stocking points include Bensenville, IL, Hanford, CA, and Hummelstown, PA - so the closest origin to you sets the freight leg. On a tank this size, LTL freight is a real line item, not a rounding error, so quote it before you commit: run your ZIP through the Freight Cost Estimator for a live LTL quote, or call 866-418-1777 and we will confirm the nearest origin and lead time. The one mistake to avoid on this tank: don't overlook the 1.5 specific gravity ceiling - confirm your liquid's specific gravity falls at or under 1.5 before ordering, because that single number, not the gallon count, decides whether this tank is right for your service.
