55-gallon cone bottom tank built for full-drain mixing and batch processing. Manufactured by Chemtainer from virgin linear polyethylene (HDPE) rated to handle liquids up to 12.5 pounds per gallon. Cone bottom design provides 100% drainage — no residual liquid left behind between batches.
The 55 Gallon 20 Degree Plastic Vertical Open Top Cone Bottom Tank with Poly Stand is designed for chemical processors, water treatment plants, and agricultural operations requiring complete tank drainage. At 55 gallons, this cone bottom tank is sized for batch processing, chemical mixing, and applications where complete drainage between cycles is non-negotiable. The cone geometry eliminates the dead volume that flat-bottom tanks leave behind.
Constructed from virgin linear polyethylene (HDPE) using a single-piece rotational molding process that eliminates seams, weld lines, and potential leak points. Rated to 1.5 specific gravity, this tank handles liquids up to 12.5 pounds per gallon — covering the full range of agricultural chemicals, liquid fertilizers, and most industrial solutions. The wall thickness is engineered specifically for this density range. Translucent white walls allow visual level monitoring without opening the tank and reflect sunlight to keep contents cooler. UV stabilizers are compounded directly into the resin — not a surface coating — for outdoor service life that lasts the full warranty period and beyond.
This tank measures 47 inches tall with a 22-inch diameter, requiring 2.6 square feet of level ground. Empty weight is 58 pounds. At full capacity with a 1.5 SG liquid, expect approximately 746 pounds on the foundation. Set on a flat, level pad of compacted gravel or a concrete slab at least 4 inches thick. Must be installed on the manufacturer-supplied or compatible stand rated for the full loaded weight. Never rest a cone bottom tank directly on its apex.
This tank ships without pre-installed fittings, giving you full flexibility to position inlet and outlet connections exactly where your plumbing layout requires. Use polyethylene-compatible bulkhead fittings for all penetrations. The 8" lid accommodates fill lines, vent connections, and basic interior access for inspection. Standard garden hose adapter or direct NPT connection works well for tanks this size.
Chem-Tainer Industries has manufactured chemical-resistant polyethylene tanks in the USA since 1957. Their tanks are specifically engineered for chemical storage applications with wall thicknesses and resin formulations matched to the demands of aggressive chemicals. Backed by the Chemtainer manufacturer warranty — contact us for specific terms and coverage details. Every tank is inspected before it leaves the production floor — and we inspect it again before it ships from our facility.
- 55-gallon capacity — sized for full-drain mixing and batch processing
- Constructed from virgin linear polyethylene (HDPE) with 1.5 specific gravity rating — handles liquids up to 12.5 lbs/gal
- 47" tall x 22" diameter — compact vertical footprint
- 58 lbs empty, approximately 746 lbs when full at rated specific gravity
- 8" lid opening for fill, venting, and interior access
- Translucent white walls allow visual level monitoring without opening the tank and reflect sunlight to keep contents cooler
- Seamless one-piece rotational molding — no seams, no welds, no leak points
- Manufactured by Chemtainer — a leading name in rotomolded polyethylene tanks
- Must be installed on the manufacturer-supplied or compatible stand rated for the full loaded weight. Never rest a cone bottom tank directly on its apex
- Ships via UPS or FedEx ground — typically arrives within 5-7 business days
