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paddles or electricity in the water to damage the fish
the MDC can use the same amount of energy as 60 watt light bulb
It is rated at 80 gpm for clean water (for particulate laden water and/or to extend time between cleanings
Most parts are interchangeable for single and double diaphragm units
Hand Counter Fresh Flo paddles or electricity in theEasily fits in your hand to be thumb operated. The register advances by one digit, up to 9,999, each time the button is pressed. A turn of the side knob resets the register back to zero. Its a great tool for counting algae cells, zooplankton, fry, people, etc.
