Cone bottom tanks are excellent for filtration tanks as well as aquaculture production. Cone tanks require a stand for support. Tanks are light blue in color and are nestable for shipping. Cone bottom tanks provide the best self cleaning action, a 20° cone bottom forces solids to the bottom center of the tank allowing for continuous cleaning...
The stands built by Polytank are made of heavy gauge steel and are sprayed with a baked-on Powder Coat Paint for a durable long-lasting finish. These stands are very durable and value-priced.
There is 12" of clearance below the bottom of the cone on all conical bottom tanks in our stands.
We offer a variety of tanks and tank systems for educational and aquaculture applications and for koi display and fishholding. Semi-Square tanks also work well for fish culture, filtration, temporary holding tanks and much more! Tanks are lightweight, inexpensive, freshwater or saltwater compatible and have a long life expectancy. Their smooth...
The stands built by Polytank are made of heavy gauge steel and are sprayed with a baked-on Powder Coat Paint for a durable long-lasting finish. These stands are very durable and value-priced.Please email us for a more accure quote. Provide name, address, phone and products.
Flat bottoms (requiring no special support stands)All are nestable (for economical shipping rates)Maintenance freeEasy to cleanFast set-up timePortable
Round Flat-Bottom Nestable Tanks
At Polytank we make tanks for many different uses and a variety of needs. All our Polytank containers are made of a heavy-duty, chemical-resistant, polyethylene plastic which has a very smooth and slippery surface. Our flat-bottom, cylindrical tanks are round with straight side walls. They are completely self-supporting. We have many sizes...
These tanks have the same features as the flat-bottom tanks with an added bonus - the bottom is cone-shaped for total drainage. These tanks must be supported with some type of stand.
See table for tank dimensions, Part #300 - 316.(Part #312 & 314 have a 15 cone bottom. Part #300 - 308 & 316 have a 45 cone bottom.)
Sturdy metal stands are available for most sizes of Polytank cylindrical tanks.
These tanks, with our variety of sizes, make optimum use of available space. Polytank square and rectangular tanks are one-piece and molded of the finest polyethylene available. They are heavy-duty. Threaded couplers may be added anywhere on these tanks from 1/2" - 3"s.Click here for Rectangular Tank Covers
The Venturi Kit consists of our exclusively-designed drain, a 3"x2" bushing, a stop collar for the center pipe, and a rubber boot w/clamps to attach the drain pipe. All other components may be purchased from any hardware supplier. The drain may be used with a 2" inside center stand pipe with 4" pipe around it; or a 3" inside center stand...
The Outside Drain Kit consists of a PVC T, a custom-made reducing bushing, a stop collar, and a bulkhead fitting. All other components may be purchased from any hardware supplier.
Two sizes available: 4"x3" and 3"x2"
Water level adjusts from outside of tank.
This outside the tank set-up performs very well where no...
The Round Sump can be bolted on the flat bottom tanks.
Side Ventria will fit PT-302, PT-308 and CB-6028, CB-9660