As wild fishery populations stagnate, the aquaculture industry has emerged as an important means of providing protein to an ever expanding population. Good water quality is important for ensuring the effective production of healthy fish fit for human consumption, whilst the environmental impacts of the production process itself also needs to be carefully monitored.

Chelsea Technologies’ range of in situ sensors are idea for this application and are being used for algal monitoring and water quality assessment at inland, coastal and offshore aquaculture sites.

Real-time monitoring of water quality parameters such as algal biomass, cyanobacteria and pollution is increasingly favoured over traditional methods and laboratory analysis due to the high cost and labour required.

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Chelsea solutions

Chelsea Technologies’ range of optical sensors have been specifically designed to be low-cost, compact, lightweight and robust to be utilised with various sensor platforms. Analogue and RS232 communications are provided as standard for ease of integration.

The TriLux sensor is ideal for aquaculture as it combines three parameters in one small, low-cost sensor for monitoring chlorophyll a and a choice of turbidity, phycocyanin or phycoerythrin. Their low cost, makes them suitable for monitoring programs. The combination of parameters is particularly useful in monitoring for algal blooms, including cyanobacteria. Algal blooms, especially the toxic kind, can have devastating impacts on fish stocks in aquaculture. It is important to be aware of the development of a bloom in order to implement management practices to reduce mortalities.

The Chelsea UviLux sensor is configured to detect and quantify Tryptophan in situ. Tryptophan, an indicator of water quality and bacterial growth, can be monitored in shellfish waters, open pens or RAS systems to ensure good water quality, food safety and to cut energy costs associated with water treatment.



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