Deep water culture fish

What is an aquaponics system?
Aquaponics is based on the productive system that involved aquaculture and hydroponic systems. Hydroponic systems rely on the application of man-made nutrients for the optimum growth of plants. The nutrients can be obtained when a concoction of minerals are mixed together to form the perfect balance that the system needs. On the other hand the aquaculture system focuses on the enhancement of the production of fish in a tank or by means of pond culture.

Usually the fish are stocked in the tanks that have the following figures – 10kg in a 100L of water. These means that the high stocking rate would cause the tank water to become polluted with the fish effluents which gives off higher concentrations of ammonia. This is a very significant factor to understand to create a successful how to aquaponics system. Aquaponics takes advantage of highly nutritious fish effluent that contains almost all the required nutrients for optimum growth. Instead of discharging the water, successful aquaponics systems use the plants and the media in which they grow to clean and purify the water. This water can be reused indefinitely and will only need to be replaced when it is lost through transpiration and evaporation.

Is Aquaponics complicated?

No. You may feel intimidated with the technical terms that we discussed above but the process of aquaponics is very simple. Creating your own aquaponics system is as simple as an aquarium with a goldfish inside it, with water pumped into some gravel filled with pots above it.

There are three system types for which you can perform a successful how to aquaponics system, take a look at the following:

1. Media filled beds. It is the simplest form of aquaponics. You will use containers filled with medium of expanded clay or anything similar to it. The water from the fish tank is pumped over the media filled beds and the plants will grow in the rock media.
2. NTF or Nutrient Film technique. It is a commonly used hydroponic method but not as common in the aquaponics system. In this system the nutrient-rich water is pumped down in small enclosed gutters. The water flowing down the gutter then will be spread in a very thin film. The plants will be sitting in a small plastic cups allowing their roots to access the water that will help them to absorb its nutrients. Though the disadvantage of this system is that is it only applicable for certain type of plants unlike the first method that we have discussed.
3. DWC or the Deep Water Culture. The system works on the idea of floating plants on top of the water allowing the roots to hang down and access the water. This can be executed in various ways and this is very popular in aquaponics farming. Deep Water Culture is popularly done with a foam raft on top of the fish tank, however a more common method is to grow the fish in a fish tank and pump the water through a filtration system and then into long channels where floating rafts filled with plants float on the water surface with the fish tank interacting unto it.


CUltural pressure

2006-04-18 11:46:38 by Stepping_Razor

Well, as a white, no doubt christian raised american (even athiests cling to christian myths when you look close enough).
you don't see it.
to you, this culture is like the water which surrounds a fish.
it's your medium.
Try looking different.
speaking different.
try worshipping in a way that is only trendily trivialized by american culture.
try never seeing your faith properly represented by the mainstream
and being misunderstood.
No, it's not your trip. Why? because you are a part of the traditional vanguard.
Being victimized is not the "trip" of the perpetrator


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