The warm weather is well and truly here, and whilst that brings summer fun, BBQs and visits to the beach for many across the UK, it can be a real headache in maintaining healthy dissolved oxygen levels in your fish lake or pond.   We’ve got some top tips on how to manage your dissolved oxygen levels during the hot weather.

Monitoring
It may sound simple and obvious but knowing your dissolved oxygen (DO) levels is key.  Our OxyGuard Polaris C meter can measure in % saturation, mg/l as well as temperature.   % saturation is often the preferred choice, but did you know, this will not take temperature into account.   Measuring in mg/l will give you a calculation between the % saturation reading and the water’s temperature.   For example, measuring 60% saturation in 12c water (6.47mg/l) and in 20c (5.46mg/l) water does not give you the full picture of your DO levels, as warmer water temperatures reduce dissolved oxygen in water.

 

Our range of OxyGuard & YSI handheld meters all use rechargeable batteries and provide datalogging.   We offer static monitoring systems including the OxyGuard Pacific for continuous multi-parameter monitoring.

 

Aeration

As well as being able to identify DO levels, it’s important to know that you can do something about low dissolved oxygen.   This can be managed by aerating or oxygenation water.   

For air, we offer paddlewheel aerators, which sit on the water, with paddle-wheels which essentially splash the water creating water movement drawing air into the water.   A Pumped Aerator, gives a good air/water mixing speed by drawing air into the water and forcing it through a jet.

 

Another option is our Dryden Diffusers (air snakes).  These will sit at the bottom of the lake, and with a connected air pump, will create an air curtain of bubbles aerating the water.   The Dryden Diffusers can also be used with oxygen, for oxygenation.

 

Control

Automating control for aeration can bring comfort in knowing that in tandem with continuous monitoring with our OxyGuard Pacific and OxyGuard Atlantic systems can also control relays to activate aeration equipment such as paddlewheel aerators and solenoids for oxygenation.  With built in datalogging, this option (whilst a bit more costly) gives real time readings, control of lifeline aeration equipment and the logged data is useful for compliance purposes to support with evidencing fish health standards.

To find out more about our range of equipment and solutions for monitoring and managing dissolved oxygen, visit our website at www.groaqua.store or contact us on 01463 239058.

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