OASE Filtomatic CWS: Technical Information
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To achieve the optimum biological balance throughout the year a filter system should be perfectly matched to the biological activity in the pond. Through continuous and exhaustive research, Oase engineers have designed the ultimate in pond cleaning technology. The intelligent Filtomatic CWS Filter System, with its integrated ultraviolet clarifier (UVC), automatically removes nutrient input through biological and mechanical filtration and interval cleaning. Harmful sludge, containing toxins from fish waste and problematic phosphates (the main cause of string algae) is separated and collected in the filter basin, where it is regularly removed via the integral sludge pump. The frequency of the UVC and sludge pump operation is determined by the continuously monitored water temperature, which directly affects the fish feeding activity and plant growth, and thereby nutrient input, fish waste and vital, oxygen production in the pond.
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Filtomatic can be installed up to 70% below ground or in the pond |
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The Oase CWS (Clear Water System) includes Filtomatic CWS Filters, Oxytex CWS Aerators and the Swimskim CWS Floating Skimmer |
Oase Filtomatic 3000/6000/12000 CWS Sets: Product characteristics at a glance |
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The very latest in garden pond filter design from OASE, the worlds leading manufacturer of Aquatic technology
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Unequalled filter with integrated Ultraviolet Clarifier (UVC) and pump system for automatic sludge disposal
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Sets include a Filtomatic CWS Filter with integral UVC and an Aquamax Eco CWS Pump; Oxytex CWS is available as an optional extra
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Advanced filter design with intelligent, digital control produces biologically clear water with the minimum of maintenance
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Optimum biological and mechanical cleaning reliably removes sludge, nutrients and toxins, within compact dimensions
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Easy-clean function of distinctive Oase filter foams without removal from filter housing is completed in minutes.
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Intelligent control unit monitors temperature and automatically regulates UVC and sludge disposal operation
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Pond keeper selects optimum program for Koi, high, medium or low fish stocking levels
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Integral, Self Cleaning UVC includes on/off and automatic control, which matches UVC operation to water temperature
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Filtomatic Sets include the Aquamax ECO CWS filter pump with massive savings in running cost
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Optional addition of the Oxytex CWS pond aerator improves filter performance by 25% with minimal cost and space implications
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| Filtomatic |
3000 CWS |
6000 CWS |
12000 CWS |
Dimensions in mm (L x W x H) |
400 x 400 x 520 |
400 x 400 x 720 |
400 x 600 x 720 |
UVC volts/watts |
230v/11W |
230v/18W |
230v/24W |
Max. Filter Flow through rate |
4000 litres/hr |
5000 litres/hr |
6000 litres/hr |
Inlet hose size |
1 1/2" (38mm) |
Filter outlet pipe size |
70 mm |
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3 |
6 |
12 |
Sludge pump volts/watts |
12 v / 30 W |
Sludge pump max. Flow rate |
2000 litres per hour |
Sludge pump discharge pipe |
1 1/2" BSPM (1 1/2" hosetail provided) |
Output Pressure in bar/metres |
0.17 bar / 1.7m |
0.2 bar / 2m |
0.25 bar / 2.5m |
Suitable for ponds up to maximum volume |
5000 litres |
10000 litres |
20000 litres |
Cable length |
10 metres |
Guarantee + request guarantee |
1 year + 2 year request = 3 years(excludes UV bulb and foams) |
Click for technical drawings |
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The Filtomatic CWS can be almost totally buried below ground, or in the pond itself!! |
The optional Filtomatic Cap means the filter can be seamlessly integrated into the pond landscape |
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Hose diameter
A 1 1/2" (38mm) pump hose connection (black) keeps friction losses to a minimum, thereby maximizing pump performance |
Automatic Control Unit
The heart of the Filtomatic CWS is the control unit, which ensures automatic sludge cleaning and power savings with the timed UVC |
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Secure Filter Cover
Simple one-handed opening and closing of the lid with integral locking mechanism to prevent unintentional opening savings with the timed UVC |
Compact construction Ingenious design achieves optimum performance in minimum space with simple removal of internal section for easy maintenance |
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Biokick CWS Starter Bacteria
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In situ Filter Foam Cleaning
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Automatic Sludge Disposal
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All Filtomatic CWS Sets include the new Oase Biokick CWS starter bacteria. The highly concentrated micro organisms help the filter foams to form vital biomass which kickstarts the biological breakdown of harmful nutrients and toxins |
Filtomatic CWS filters include Oase distinctive filter foams, with maximum surface area for beneficial bacteria, which transform toxic ammonia and nitrate into harmless nitrogen. Foams are easily and quickly squeezed clean, in situ, by the innovative compression mechanism |
The Filtomatic CWS includes a unique silt separator and automated sludge disposal system. The sludge contains phosphates, the main cause of string algae, and toxins from fish waste and is removed from the pond before it can damage the eco system |
| Filtomatic CWS Filters |
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| Filtomatic CWS Filter Sets |
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