© Made by Ratz 2016
Filter technology         for Ponds                     
biodegradation of up to 1 kg feed per day including the NEW BUBBLE- aeration system energy-saving
Biofilter BIOKA 600
between 8 and 30 m3/h deliverable in 3 sizes energy-saving
Fleece filter
between 15 and 70 m3/h deliverable in 3 sizes 40 µm & 60 µm mesh-size quiet
Drum filter BaseDrum
up to 5.000 l/h including air flow meter
SWAT 160
up to 20.000 l/h including air flow meter weather risistance up to -40°C
Berlin 400 Surface skimmer   tank connectors
Accessories and spare parts for ponds In addition to our high-quality filter technology, we offer many more useful components for ponds, including surface skimmers and tank connectors in various sizes.
Skimmers - Whisk for clean water Skimmers remove proteins and lipids along with the associated bacteria, algae, and many other adhering substances from water. The method is relatively simple. Very fine air bubbles are released into the waste water, producing a foam. This foam gathers at the surface and can be easily removed along with the adhering organic substances. This efficient technique has been used in saltwater filtration for decades. For many years, this technique was not as efficient as desired for fresh water filtration - but thanks to new bubbling technologies, this has changed. Our Berlin and Swat skimmers were among the first fresh water skimmers on the market with performance comparable to that of saltwater skimmers. Furthermore, skimmers also enrich the water with oxygen and stabilize the pH. By adding ozone, you can use the skimmer for efficient disinfection of the water and reduce the bacteria load. 
Our pond filter - crystal-clear water and almost no maintenance Our drum filter and fleece filters are robust and reliable. At the same time, they operate simply and efficiently. Particulate dirt, algae, fish excrement, uneaten food, and colonizing bacteria are retained by a drum or a fleece and permanently removed from the water. The water stays crystal clear and no smelly sludge accumulates at the bottom of the tank. Nitrate compounds can also be removed with the optional installation of a biofilter. This effectively reduces the growth of algae and has a positive effect on the health of fish and other aquatic creatures. The improved water quality not only makes the fish happy but also transforms your pond into a sparkling jewel. Our filters are almost inaudible when in operation. They are not sensitive to low temperatures, so they can stay outside during the winter – just remember to switch them off at temperatures below 0°C. For more details, click on the desired product. All products and specifications can be found in our catalogue. Minimum order quantity is 2 pieces. Single pieces can be purchased from our partners.
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Made by Ratz
Technology for Ponds
Skimmers - Whisk for clean water Skimmers remove proteins and lipids along with the associated bacteria, algae, and many other adhering substances from water. The method is relatively simple. Very fine air bubbles are released into the waste water, producing a foam. This foam gathers at the surface and can be easily removed along with the adhering organic substances. This efficient technique has been used in saltwater filtration for decades. For many years, this technique was not as efficient as desired for fresh water filtration - but thanks to new bubbling technologies, this has changed. Our Berlin and Swat skimmers were among the first fresh water skimmers on the market with performance comparable to that of saltwater skimmers. Furthermore, skimmers also enrich the water with oxygen and stabilize the pH. By adding ozone, you can use the skimmer for efficient disinfection of the water and reduce the bacteria load. 
Our pond filter - crystal-clear water and almost no maintenance Our drum filter and fleece filters are robust and reliable. At the same time, they operate simply and efficiently. Particulate dirt, algae, fish excrement, uneaten food, and colonizing bacteria are retained by a drum or a fleece and permanently removed from the water. The water stays crystal clear and no smelly sludge accumulates at the bottom of the tank. Nitrate compounds can also be removed with the optional installation of a biofilter. This effectively reduces the growth of algae and has a positive effect on the health of fish and other aquatic creatures. The improved water quality not only makes the fish happy but also transforms your pond into a sparkling jewel. Our filters are almost inaudible when in operation. They are not sensitive to low temperatures, so they can stay outside during the winter – just remember to switch them off at temperatures below 0°C. For more details, click on the desired product. All products and specifications can be found in our catalogue. Minimum order quantity is 2 pieces. Single pieces can be purchased from our partners.
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