The Chem-Tainer 70 Gallon Rectangular Open Top Tank is a straightforward polyethylene open tank built for water storage, batching, wash-down, and any job where you need full top access to reach in from above. Its rectangular footprint sits flat against a wall or tucks into a corner far more efficiently than a round drum, and at 70 gallons it holds enough working volume for hand-fill-and-draw cycles without becoming a piece of equipment you have to engineer around — as long as you plan the install around its filled weight.
Will this open top tank work for your job?
This is a vented, non-pressurized rectangular open top tank, so it is meant for ambient storage where you dip, hand-fill, or drop in a pump or mixer from the top. Filled with water it carries about 584 lb, so set it on a flat, continuously supported surface rather than spanning it across joists or a wire shelf. Note that 584 lb is the full-water weight; the empty shipped weight of the tank itself is quoted separately, and it is the water load you design the pad or stand around. If you are unsure whether 70 gallons is the right working volume for your fill-and-draw cycle, run the numbers with our Tank Sizing Calculator or walk through the Tank Sizing Guide first. See the technical drawing on this page for the tank's exact dimensions and top opening.
Freight and how it ships
This tank ships LTL freight from the Chem-Tainer plant in West Babylon, New York, and freight is quoted live to your ZIP — it is not included in the list price. A rectangular open top tank is a light but bulky freight item, so delivery cost is driven by distance and your site conditions (liftgate, residential, limited-access) more than by weight. Get a real number for your address with our Freight Cost Estimator before you buy.
The mistake to avoid
The common error with a rectangular open tank is treating it like a structural container. Flat panel walls carry more stress at their centers when filled than a cylindrical wall does, so this tank depends on continuous, full-footprint support underneath — never bridge it across gaps or let a corner overhang. Keep it supported edge to edge on a level surface and account for that 584 lb filled load. Our guide on concrete pad sizing for above-ground polyethylene tanks walks through the ACI 360R-10 framework for getting that pad right, and if the tank feeds a grey-water, rainwater, or HVAC-condensate program, our industrial water reuse tank topology guide shows where open storage fits in a treatment train.
Questions on fit, capacity, or delivery to your site? Call One Source Plastics at 866-418-1777 or start with the Freight Cost Estimator for a ZIP-specific LTL quote.
