Richard bray
/2" Pea Gravel 1" Rock 1” Plastic Biofilter Media 2’’ Plastic
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- Fish pH Range Temp. Range Stocking Density Marketa bility Ideal Plant Type Tilapia
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1/2" Pea Gravel 1" Rock 1” Plastic Biofilter Media 2’’ Plastic
Biofilter Media 85sq’ per cu’ 21sq’ per cu’ 85sq’ per cu’ 48sq’ per cu’ Once you’ve calculated your fish tank volume and biological filter surface area, you should be able to calculate how many pounds of fish your system can support. There are other factors that will influence how well your fish adapt to the system, like dissolved oxygen and nitrite levels, but these can be adjusted after your system is running. The pH range for each fish should be compared with the pH range of the plants you wish to grow. While most fish can tolerate high pH levels, plants prefer a pH from 6.5-6.8, although many can tolerate neutral pH values. 60 Fish pH Range Temp. Range Stocking Density Marketa bility Ideal Plant Type Tilapia 6.8-8.1 74°-88° Mid/Low Mid/Low Warm Season Trout 6.6-7.8 53°-67° Mid/Low Mid/High Very Cool Season Koi/G.F. 6.4-8.1 66°-78° Mid N/A Cool Season Perch 6.6-8.5 67°-78° Mid Low Cool Season Bluegill 6.9-8.2 68°-82° High Very Low All Catfish 6.8-8.1 73°-88° Mid/High Very Low Warm Season Tilapia
Tilapia are the easiest, most popular fish for aquaponic systems. They tolerate a wide range of temperatures, stocking densities, and feed rates, while growing to a harvestable rate in less than 18 months. Tilapia are a warm-water fish, and although they can tolerate cooler temperatures, they prefer a water temperature near 80° throughout 61 the year. This makes them the perfect companion for fruiting vegetables, and a good companion for leafy greens. However, their preference for warm water makes them unable to work well wit broccoli and cauliflower. The biggest drawback to using tilapia is that it can be illegal in somf areas to buy and farm. Check with your local extension agent for information on necessary permits for growing tilapia, and make sure you never release your tilapia into the wild. It is an invasive fish, and i: can destroy habitats very quickly. Download 367.2 Kb. Do'stlaringiz bilan baham: 
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