Oxygen Demand In A Koi Pond. Information To Consider
Biological filter action places a heavy load on the available oxygen in the water, which is essential to keep the bacteria alive and working efficiently. To cater for this demand, use air stones, supplied by a suitably sized air pump, in the biological stages. Place these stones underneath the media or in the transfer ports between the stages of a multi chamber filter.
You can add more air stones at the end of the biological system to meet the oxygen demand of the koi. Another way of improving the oxygenation of the water is to use a trickle filter. In this system, a small amount of water is pumped high above the waterline and then allowed to free fall through the air, tumbling over an open media on the way down.
This action breaks the water into tiny droplets, greatly increasing its surface area and hence its ability to absorb oxygen from the air. Bacteria need food as well as oxygen to survive. In the colder months, because of a reduced feeding level, the koi will produce less waste and the bacterial bed will die back.
If water circulation has not been stopped over the winter months, then the biological filter will not have died completely, even if the water temperature has been allowed to fall to just a few degrees. Exercise a cautious feeding regime in the spring to prevent rising levels of ammonia and nitrite in the pond.
Feeding with commercially produced products, such as wheat germ pellets or home boiled wheat or barley, is ideal at the time. These heavy foods sink to the bottom of the pond and make it easy for the koi to feed naturally. Small quantities of brown bread, broken up and rolled into pellets, are also a good starting food for the spring. Adjust feeding according to the temperature of the pond water.
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Laguna Koi & Goldfish Floating Food Sticks Spirulina & Wheat Germ 21 Oz – Laguna PT118 $14.23 Laguna Koi & Goldfish Floating Food Sticks Spirulina & Wheat Germ 21 Oz – Laguna PT118…. |
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.Hikari koi wheat germ mini 17.6oz $7.59 WHEAT GERM 17.6OZ – MINI PELLET… |
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Imperial Garden Products OSI Cool Water Wheat Germ Koi Pellets Floating Fish Food Small 2.2lb $15.07 Yeast, spirulina and vitamin enriched, floating pellets for feeding in the spring and fall when temperatures are from 50 – 60°F. 2.2 lb.bags…. |
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Spring Fall Food (Pellets) with Wheat Germ with Probiotics – 10 lb. – Bucket $47.99 This is a natural vegetable and plant-based koi food, easily digested when water temperatures are between 50-60º F. Floating pellets are easy for your fish to feed on…. |
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laguna pond floating spirulina and wheat germ koi and goldfish food for spring and fall in a oz jar pt EQA9FZDX3NSAAKIM64KZ… |
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Spring Fall Food (Pellets) with Wheat Germ with Probiotics – 5 lb. This is a natural vegetable and plant-based koi food, easily digested when water temperatures are between 50-60º F. Floating pellets are easy for your fish to feed on…. |
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Imperial Garden Products OSI Wheat Germ Pellets Floating Fish Food Medium 1.1lb $11.98 Because fish metabolism slows when water temperatures drop feeding a highly digestible food is very important. This food is designed for this purpose. Wheat germ is also a strong source of vitamin E. Vitamin E is important for pormoting balanced growth, improved disease resistance and improved fertility. Contains ground silkworms and a full range of vitamins. Spirulina and stabilized vitamin C hav… |
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TOTAL KOI WHEAT GERM 19OZ $7.99 Wheat germ floating formula is a highly digestible excellent autumn/winter diet. It is formulated to deliver the correct protein nutrient and vitamin content to koi in cooler weather. Contains 5 times the vitamin c than the competition. Rice Hulls, Calcium Carbonate And Mineral Oil Active Drug Ingredient Tylosin 1 Grams Per Lb Must Be Thoroughly Mixed In Feeds Before Use Do Not Use In Any Finish… |