The Chem-Tainer 300 Gallon Vertical Storage Tank (SKU TC3581IC-NAT) is a 300-gallon polyethylene vertical tank molded in natural white. It stands 84.75 inches tall on a compact 35 x 35 inch square footprint, so you get real reserve capacity in a tight corner, pump house, or equipment pad where floor space is the constraint. It carries a 1.5 specific gravity rating, which is genuine headroom above plain water.
Will it work for your site?
Filled with water this vertical storage tank holds roughly 2,502 pounds; at its full 1.5 SG rating the contents can reach about 3,753 pounds. That rating is the one legitimate upsell here: the tank handles heavier-than-water contents up to 3,753 pounds without derating, as long as the material itself is compatible with polyethylene. Size the pad and anchoring around the loaded weight, not the empty shell. Match 300 gallons to your real daily draw and refill cycle with our Tank Sizing Calculator and Tank Sizing Guide.
Fittings, gaskets, and the mistake to avoid
Fitting and outlet details for this SKU are not published in our catalog data, and the outlet gasket material is not listed either. Before you plumb an 84-inch-tall body, call 866-418-1777 to confirm outlet size, lid or manway size, and gasket material, and check the technical drawing on this page. The common misstep on a tall vertical tank is treating the 84.75-inch height as a nice-to-have instead of a design constraint: a narrow 35-inch base carrying up to 3,753 pounds needs a level, full-contact concrete pad and, in windy or seismic areas, proper anchoring. Our guide on concrete pad sizing for above-ground polyethylene tanks walks through the ACI framework for exactly this footprint. It can also serve as reserve fire-water storage where your AHJ and the NFPA 22 fitting, draft, and freeze-protection requirements are met.
How it ships
This is an LTL freight item, quoted live to your ZIP. It ships from the Chem-Tainer plant nearest you among Bensenville, IL; Hanford, CA; Hummelstown, PA; Lake Wales, FL; and Marked Tree, AR, so your cost tracks to real distance rather than one fixed origin. Get a number before you buy with our Freight Cost Estimator, or call 866-418-1777 and we will quote the lane and lead time for you. Listed at list price; freight quoted separately to your ZIP.
