Cone-bottom (also called cone-bottom or full-drain) polyethylene tanks are engineered for applications where complete sediment evacuation, batch mixing, or downstream dosing matters. The angled bottom — 15°, 22.5°, 30°, 45°, or 60° from horizontal — drives settled solids toward the centerline drain and lets you empty the vessel to a true zero residual. Our catalog covers every active SKU from Norwesco, Snyder Industries, Chem-Tainer, Enduraplas, and Bushman.
Applications
Batch mixing of fertilizers, surfactants, and process chemicals — solids settle and drain cleanly
Chemical inductor / dissolution service — dry chemical mixing into water before spray
Wastewater pre-treatment — solids drop-out and decant
Slurry storage and dewatering — sand, polymer, sediment ponds
Total-drain chemical feed for metering pumps (no dead-leg residue)
Compliance & Standards
Typically rotomolded to ASTM D1998; FDA 21 CFR 177.1520 resin compliance varies by model (see each product's Specifications). Cone bottoms must be supported by a properly rated steel stand — every cone-bottom tank is shipped with or sized for a matching stand (verify on each listing). Stand height equals cone height plus minimum 6" clearance for valve/discharge piping. Confirm working SG rating against your fluid; cone-bottom geometry concentrates head pressure at the centerline drain.
Engineering & Selection
Cone angle directly governs how cleanly your tank will drain. 15° works for free-flowing liquids only. 22.5°–30° is the sweet spot for most chemical and fertilizer service. 45°–60° is required for slurries, settled solids, or viscous fluids — anything that won't self-flow at shallower angles. Steeper cone means taller overall height and a taller stand, so verify ceiling clearance before ordering. Outlet sizing scales with intended flow rate: 2" for gravity discharge to drum, 3"–4" for pump suction or batch transfer.
Freight & Delivery
Tanks ship LTL motor freight from the closest stocking warehouse to your delivery ZIP. Typical transit 5–10 business days. Liftgate available at delivery (per-shipment fee). Always inspect at delivery and note damage on the bill of lading before signing — that is the carrier claim trigger. Bulk-order consolidation reduces per-tank freight 25–40%. Get your LTL freight quote by ZIP, or call 866-418-1777 for same-business-day quoted pricing.
Sizing & Selection
Capacity first, cone angle second, stand height third. Need help matching cone angle to your fluid? Call 866-418-1777 with your fluid, viscosity, and dosing requirements.
The Snyder Industries 4600 Gallon Cone Bottom Tank is built for bulk chemical batching, blending, and full-drain storage where you need every gallon to evacuate through the cone instead of settling...
The Snyder Industries 3000 Gallon XLPE Cone Bottom Tank (SKU 5150000N40) is a 3,000-gallon crosslinked linear polyethylene (XLPE) cone bottom tank rated to 1.5 specific gravity, built for chemical...
The Snyder Industries 3000 Gallon XLPE Cone Bottom Tank (SKU 8360000N40) is built for chemical service, molded in crosslinked linear polyethylene (XLPE) and rated to 1.5 specific gravity.The cone...
The Snyder Industries 3000 Gallon XLPE Cone Bottom Tank (SKU 5150000N46) is built for full-drain chemical service, molded from crosslinked linear polyethylene (XLPE) and rated to 1.5 specific gravity...
The Snyder Industries 3000 Gallon XLPE Cone Bottom Tank (SKU 8360000N46) is a 3,000-gallon black crosslinked linear polyethylene (XLPE) cone bottom tank built for chemical service, rated to a...
The Snyder Industries 3600 Gallon Black Heavy Duty cone bottom tank (Snyder part 8050000N51) is built for full-drain chemical service, molded from high density linear polyethylene (HDLPE) and rated...
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...
The Enduraplas 3000 Gallon Black Cone Bottom Tank with Stand (SKU THC03000KB) is a full-drain vessel built for chemical batching, dosing, and settling where you need every gallon to evacuate through...
The Enduraplas 3000 Gallon Green Cone Bottom Tank with Stand (SKU THC03000KG) is a full-drain polyethylene vessel for chemical batching, mixing, and metered dispense, where every gallon gravity-feeds...
The Snyder Industries 3000 Gallon Heavy Duty Cone Bottom Tank (SKU 8360000N51) is a black, high-density linear polyethylene cone tank built for full-drain chemical service, with a 1.9 specific...
The Snyder Industries 2600 Gallon XLPE Cone Bottom Tank is a crosslinked linear polyethylene (XLPE) vessel rated to 1.5 specific gravity, built for bulk chemical storage where you need the full...
The Snyder Industries 2600 Gallon Black XLPE Cone Bottom Tank is built for bulk chemical storage that needs full drain-out.Molded in crosslinked linear polyethylene (XLPE) and rated to a 1.5 specific...