The Chem-Tainer 30 Gallon PE Rectangular Open Top Tank is a compact polyethylene open-top vessel built for batch mixing, parts soaking, rinse stations, and small-volume water holding where you need easy top access. At 30 gallons it is the size to reach for when you want a manageable footprint that one or two people can move, position, and monitor without lift equipment. The open rectangular format makes it straightforward to dip, fill from above, and check the level at a glance - exactly what most buyers searching for an open top tank or a rectangular open top tank are trying to set up.
Will it work for your application?
This is a 30 gallon rectangular open top tank molded from polyethylene. Filled to capacity with water it carries roughly 250 lb full water weight, so size your stand, shelf, or pad for that load plus the dead weight of the empty tank. For the exact exterior length, width, height, and wall thickness, see the technical drawing on this page and confirm the footprint against your bench or pad before you commit - those dimensions are the one detail you want to verify for fit. The open-top design means there is no sealed lid system: it is built for ambient-pressure storage and access from above, which is what you want for an open tank used in mixing, soaking, or staging. If you are unsure whether 30 gallons matches your throughput, our Tank Sizing Calculator and Tank Sizing Guide walk you through matching volume to your batch or holding needs.
Plan for fittings - none are factory-installed
This open top tank ships without factory outlets, bulkhead fittings, or gaskets. It relies on top access for fill and draw, so if you need a bottom or side draw you will drill and add your own bulkhead fitting and gasket - budget that as a separate item from the start. Keeping it as a simple open container for dip, pour, or pump-from-top use is the easiest path and the one this format is designed around.
How it ships
This tank ships LTL freight, quoted live to your ZIP code. Chem-Tainer molds this rectangular open top line at two plants - Delano, MN and Merced, CA - so your freight is quoted from whichever named plant is nearest you, which keeps transit time and cost down. Because it is a lighter, smaller tank, freight is far more forgiving than it is on large bulk vessels, but LTL rates still vary by lane and destination. Use the Freight Cost Estimator for a quote to your exact ZIP, or call 866-418-1777 and we will route it from the closest origin.
The mistake to avoid
The most common misstep with an open top rectangular tank this size is treating it like a pressurized or fully sealed vessel. It is not - it is an open-top, ambient-pressure container, so do not fit it for head pressure or assume a tight closure it was never designed to carry. Match the contents to a polyethylene tank used for general water storage, and size your support so the structure handles the loaded weight. Get the footprint, access, and support right up front and this 30 gallon open tank will serve as a clean, simple workhorse for your mixing or holding station.
Ready to order or need help confirming fit? Run your numbers in the Freight Cost Estimator, check sizing with the Tank Sizing Calculator, or call our team at 866-418-1777. We will quote LTL freight live to your ZIP from the nearest Chem-Tainer plant and get this tank on its way.
