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Kasco Marine Inc.


Kasco Marine Brand Image

Kasco

Kasco Marine first introduced the Kasco De-Icer in the early 1970's. This De-Icer was the first innovation that was designed to help marina's protect equipment in the water during harsh Minnesota winters. In the 1980's they introduced a new and improved version of the original product and quickly took on the national market for de-icing equipment. Today, Kasco is the leading provider of floating de-icers. De-Icers are the best defense against damage caused by ice expansion, ice jacking and lifting, and winter-kill conditions for your fish due to low oxygen levels and snow and ice cover. By circulating water, these De-Icer's help prevent ice damage to your property by keeping areas of open water ice free.

These Kasco De-Icers may also be used during non-winter months for improved water quality and water movement and to eliminate stagnant water areas and keep trash and debris from entering your marina, boat house, or dock area.

Kasco Marine De-icing

Major Facors Influencing Kasco De-Icer Effectiveness

  • Surrounding water depth
  • Obstructions in the water
  • Geographic location

Each de-icing application is different, there is really no set rule on how many De-Icers are needed for a given area or which mounting option is the best. Since the way these de-icers work is by moving warm bottom water, that is heated by the earth, to the surface, the more shallow the water in the surrounding area, the less warm water there is available. Kasco recommends that de-icers by mounted 2.5' - 5' below the water surface. Obstructions, such as floats on docks, boat lifts, large dock pilings, and boats etc. in the water may restrict the flow of water causing a smaller area of influence around the de-icer. Your geographic location will also play a role in the effectiveness of your de-icer, the longer and colder the winter is, the more the water will cool over time and open water may be limited accordingly. Other factors that may effect open water areas are bottom contour, salt content, mounting, etc.

Using Your De-Icer

When using your de-icer in a shallow area of water, the flow of the warmer water should be directed from the deeper area into the shallower area. Remember, the way a de-icer works is by drawing warmer, denser water from the bottom and circulating it upward to the surface, preventing ice formation or melting existing ice. Often, it is easier to de-ice a boat by installing the de-icer at or new the bow, angled toward the stern. If the water flow is directed toward the shore or a retaining wall, it will flair, forming a desirable "T" shape de-icing pattern. In tidal waters, split the difference in water depth so the de-icer is in shallow water at low tide and deep water at high tide. Or you can tie your de-icer to the boat and allow the bot and de-icer to rise and fall with the tide.

Ice Damage

Ice Jacking and Lifting Damage

Anytime ice and water levels fluctuate jacking and lifting damage can occur. Lifting is most commonly caused by the tide. Lifting damage is very common in the Great Lakes Region where weather and wind changes can cause smaller, but more rapid changes than tides. Jacking damage can also occur on any body of water regulated by man. The best protection against jacking and lifting damage is by maintaining an ice-free zone in and around dock structures. By keeping partially open water near dock structures will help to reduce ice thickness in the general area around docks and pilings and will also help to limit the risk of ice damage.

Ice Expansion

Ice expansion poses a vastly underrated damage risk, the size of a body of water is directly related to expansion damage risk potential. The larger the body of water, the larger the potential damage risk will be. Pressure damage can affect the part of the dock structure nearest to the shore or at the opposite end. Although it may be preferred to maintain an ice-free zone around the dock structure, it is also possible to limit damage risk with an open water buffer zone. Horizontal flotation units positioned between docks and expanding ice can relieve damaging expansion pressure.

Winter-Kill Conditions

During winters with thick ice and heavy snow pack, your pond can experience a fish die off due to low oxygen levels, Kasco De-Icers can help to prevent these winter-kill conditions. As well, the heavy snow and ice prevent sunlight from penetrating into the water which can cause the existing aquatic vegetation to die off; as the vegetation dies, the decomposition process uses up much of the available oxygen in the pond. The oxygen level in the pond continues to decrease as winter progresses and eventually your fish may begin to die. To prevent winter-kill situations only 1% of your ponds total surface area needs to be ice free as the cold water will become oxygenated by coming in contact with the air.

Summer Water Quality Problems

Ice damage is not the only thing that de-icers can be used to prevent, you can use them year-round and during the summer months to improve water quality. During hot summer months water quality is an increasing problem for marinas and waterfront development. Water that is sheltered behind docks or under walkways where wind and current cannot reach tends to become stagnant and dirty, as a result algae and odor problems often develop and can destroy an otherwise pleasant outdoor experience. Using Kasco De-Icers during hot summer weather creates a man-made current to help maintain a natural cleaning action. The quiet-running unit produces an aesthetically pleasing high-volume water current in marinas, waterfront development, and park facilities for improved water quality.

Kasco De-Icing Products

  • Dock De-Icers
    These innovative Kasco De-Icers circulate water to prevent ice formation and damage associated with ice expansion, jacking and lifting. Suspend the De-Icers underwater around docks, piers, duck ponds, marinas, etc. to prevent costly damage. Offered in a variety of sizes you are sure to find one to suit your need.

  • Propellers
    Kasco offers two styles of propellers, designed for replacements on either the Kasco De-Icer model F3400D or De-Icer F2400D.

  • Time and Temperature Control Unit
    The time function on these control units can help you to save money and energy by allowing you to adjust the time and duration of de-icer operations, as well it allows you to set the temperature sensor to start the de-icer only when temperature falls below the set threshold.

  • Universal Dock Mount
    This Universal Dock Mount is used to securely mount and hold the Kasco De-Icer and water circulation equipment in waters below a dock or piling. It is constructed from thermal plastic composites, corrosion protected steel, and stainless steel to withstand the toughest marine conditions.

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