Pranger - Recirculating Aquaculture Systems (RAS)
From Aquaculture
Recirculating aquaculture systems (RAS) are the most modern and environmentally sustainable method of culturing fish. In RAS, water is treated mechanically and biologically and recirculated to be used again. Such systems require only 10% of the daily water intake of traditional systems and ultimately discharge clean, treated water back into the environment. Oxygen and temperature are also controlled, keeping the fish in optimum conditions. RAS technology makes it possible to contain 90% of the water and re-use it via the bio-filter, which uses beneficial microbes to remove chemical wastes.
Products Details
What is aquaculture?The Fastest-Growing Sector
Aquaculture – the farming of aquatic animals – is the fastest-growing sector in primary food production. Demand for inland fish around the world is at an all-time high. The oceans are overfished and supplies of certain species are near depletion. However, alternatives exist in the world of inland aquaculture that produce sustainable, healthy and clean fish with little impact to the earth and it’s natural resources.
RAS is our specialty
Pranger specializes in land-based, indoor aquaculture facilities utilizing recirculating aquaculture systems (RAS). The field of RAS is incredibly promising because it is sustainable, energy efficient and eco-friendly. Fish have an excellent feed-to-protein production rate of 1-to-1. In other words, for as much feed as you put into a fish, you will gain at least that much protein for human consumption. This is a much higher conversion rate than other farmed animals. When paired with energy-efficient RAS methods, fish become the ultimate sustainable food source.
What is aquaponics?
Aquaponics is the combination of hydroponics (the growing of plants in solution rather than soil) and aquaculture, cultivating a symbiotic relationship between the fish and plants. The plants are fed water made rich in nutrients from the fish waste. The plants purify the water, which is then recirculated back to the fish. A recirculating system is energy-efficient, and results in both healthy fish and plants for human consumption.
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