The Enduraplas 3000 Gallon White Cone Bottom Tank with Stand (SKU THC03000KW) is a full-drain vessel built for chemical batching, mixing, and metering where you need every gallon to empty through the bottom. The tank body stands 146 inches tall on a 90-inch diameter footprint, molded in Natural White polyethylene with a 1.9 specific gravity rating and an empty weight of 1,000 lb. It ships with a 3-inch PP female NPT bulkhead outlet at the cone tip and a 16-inch threaded vented manway up top, and the tank carries an FDA-approved material rating. Confirm exact overall height clearance against your building or containment before ordering, and see the technical drawing on this page for the cone and stand geometry.
Will it handle your batch weight?
Size to the fluid, not just the gallons. Filled with water this tank holds roughly 25,020 lb of contents; at the full 1.9 SG rating the stand and cone are engineered for up to 47,538 lb of rated contents. That spread is the whole reason the specific gravity number matters on a cone-bottom chem tank - a heavy salt brine or acid weighs far more than water at the same level. At 1.9 SG this unit already sits at the ceiling for polyethylene, so there is no heavier-duty variant being withheld; every 1.9-SG chemistry on the chart below is covered by this exact tank. Run your target volume and fluid density through the Tank Sizing Calculator and the Tank Sizing Guide, and if you are weighing this steel-supported stand against a poly base, the stand selection decision tree and the Norwesco, Snyder, and Enduraplas stand compatibility matrix walk through the trade-offs. For class-level reference on the natural white 3000-gallon cone bottom family, the 99" x 134" buyer's guide and the 95" x 123" buyer's guide cover the format, though note those cite different overall dimensions than this 146" x 90" unit.
Chemical compatibility
This is a polyethylene tank rated to 1.9 specific gravity, sourced against the Snyder Industries OEM chemical resistance chart. The resin is listed as HDLPE with a question mark - before you put any chemical in it, confirm whether your unit is HDLPE or XLPE, because that determines which aggressive oxidizers it can hold. Every rating below is concentration and temperature specific, so verify your exact chemical, concentration, temperature, and both fitting and gasket materials against the chart before service. Just as important: the stock 3-inch PP bulkhead outlet does not satisfy every cleared chemistry - many require a different fitting material (CPVC for sulfuric, PVC for the oxidizing acids, 316SS for peracetic and DEF), so verify the included PP outlet against the required-fitting column for your chemical and upgrade it before service. The 16-inch vented manway helps accommodate off-gassing on the fuming and oxidizing services below, such as hydrochloric acid, sulfuric acid, sodium hypochlorite, and hydrogen peroxide.
At this tank's 1.9 SG rating it is cleared for the heavier and more aggressive chemistries on the chart: Sulfuric Acid at 98% (CPVC fittings, Viton gaskets), Hydrochloric Acid at 37% (PVC, Viton), Hydrofluoric Acid at 48% (PP/PVC, Viton), Hydrofluosilicic Acid at 26% (PP/PVC, Viton), Phosphoric Acid at 85% (PVC, Viton), Hydrogen Peroxide at 50% (PVC, Viton), Sodium Hypochlorite below 16.5% (PVC, Viton), Peracetic Acid at 30% (316SS, Aflas), Ferric Chloride at 50% and Ferric Sulfate at 60% (PVC, EPDM), Ethylene Glycol at 100% (PVC, EPDM), Potassium Carbonate at 50% and Potassium Hydroxide saturated (PVC, EPDM), Sodium Thiosulfate at 40% (PVC, EPDM), Polyaluminum Chloride, Sodium Bisulfate, Sodium Bisulfite, Propylene Glycol and Zinc Orthophosphate (PP/316SS or PVC/PP, EPDM). Lighter-density chemistries this tank also covers include Acetic Acid at 60%, Aluminum Sulfate at 50%, Calcium Chloride at 40%, Magnesium Chloride at 30%, Ferrous Sulfate at 20%, Sodium Carbonate at 30%, and Ozonated Water up to 10 PPM. For fluids-handling fleets, DEF at 32.5% calls for 316SS fittings with EPDM gaskets, while Urea Solution at 50% calls for PP/PVC fittings with EPDM gaskets. Match the fitting and gasket material to your chemical using the full Chemical Compatibility Database - the wrong gasket, not the wrong tank, is the most common failure on a cone-bottom chem install.
Freight
This tank ships LTL freight, quoted live to your ZIP from the nearest Enduraplas plant - Converse, TX or Neche, ND. Because it moves on a dedicated cone-bottom shipment, get an exact number through the Freight Cost Estimator or call 866-418-1777 to lock your delivery and confirm HDLPE versus XLPE resin for your chemical before you order.
