Stream Flowtanks


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SKU: 4440E Categories: ,


Flowtanks are unique products providing a miniature stream environment. Originally designed for rearing aquatic larvae, they have a variety of other uses including:

  • Creating stream microcosm for testing ecological theory or making behavioral observations
  • Demonstration or display tanks for classroom or museum
  • Student science projects
  • Easily installed, Flowtanks convert a standard aquarium into a stream tank without complicated, noisy water pumps or paddle wheels because power is provided by the air supply. They are constructed of Plexiglass and vinyl plastic and are secured in place with gravel.

    An air pump, not provided, powers the Flowtank lifting water vertically and accelerating it horizontally. Larger air pumps create faster currents. Large vibrator pumps (Whisper 700) create currents of 4 in/sec., (30.5 cm/sec.). Units are designed for channels 5″ (12.7cm) wide, with counterclockwise flow. They are easily maintained because there are no moving parts or screens to clog. Instructions for assembly and installation are included.

    Laboratory Model Flowtanks,  4440A & 4440B
    The original Flowtank, designed for durability and flexibility in research applications. Excellent for microcosms, rearing, and bioassay. Dimensions: 12″ long, 5-3/8″ wide, 8″ deep (30.5 x 14 x 20 cm). [This unit will fit in a Standard 5 gallon or larger aquarium which measures: 16″x8″x10″]

    Display Model Flowtank, 4440E
    An easy way for museums, zoos and schools to stimulate interest in aquatic systems by creating a dynamic display or demonstration stream. Flowtank is 23″ long, 5-3/8″ wide, 11″ deep (58 x 14 28 cm); fits aquarium 29″ long, 12″ wide, 11″ deep. [This unit takes mid-sized aquarium typically called a 20 gallon long. A standard 20 gallon or standard 25 gallon is to short (both tanks are only 24″ long) you will need the ‘long’ or larger.

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