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Algae Quick Links
Coptrol specific use
Coptrol in effluent and waste water
Coptrol frequently asked questions
Coptrol in aquaculture
Algae control in poultry shedding
Coptrol environmental safety
Coptrol in golf courses and greens
Coptrol and hydroponics
Coptrol in drip irrigation and microsprays
Coptrol in drinking water
Algae control in reservoirs, dams,
Algae in Rice Crops
Coptrol in ornamental ponds
Coptrol use in farm dams and ponds
Coptrol use in mining and power stations
Coptrol use in Nurseries and Gardens
Coptrol Use in turf farms
Drinking water tanks
Kill algae in waterways and irrigation channels
Livestock Watering Troughs
How to Control Algae in Water Impoundments, Reservoirs and Dams
Water Management a perenial problem
| water impoundments | reservoirs | dams
The management of large volumes of water in reservoirs, dams and water impoundments is a perennial problem for water managers. Frequently these water impoundments are subject to run- off of fertilizers and other nutrients from agricultural land, or from storm water and other sources. These excess nutrients combined with relatively high water temperatures experienced in Australia are the perfect breeding ground for algae. Algal blooms are frequently experienced. Algal blooms often degrade stored water in reservoirs, dams and other water impoundments.
Offensive smells, low dissolved oxygen and blue green algae
| cyanobacteria | fish | smell
Some species of algae release toxins (
blooms decrease dissolved oxygen in the water which in turn
effects fish within the impoundment. The visual amenity frequently
declines and there is often an offensive smell associated with the
blooms. Constant monitoring is essential and attacking the algae
before it turns into a major bloom is essential.
is ideal for
Recommended dose rate
If algae is a problem in your dam, reservoir or other big water impoundments follow this 5 step method to keep your waters clear and bright.
1. First identify the algae present. If you are not certain visit
. This site enables you to identify all the common
algae in Australia.
2. Now calculate the volume of water to treat. Ignore depths below
1 metre. We have a page which explains the methods used to
determine the amount of water to
treat. If you need assistance
see How to
calculate the volume of water to treat with Coptrol.
If you are not working in the metric system Note: 1 square metre is approx equal to 11 sq. feet.
1 million litres of water is approximately equivalent to:
220000 Imperial gallons
264000 U.S. Gallons.
3. Next calculate the amount of Coptrol needed. An easy way
to calculate is:
If the algae is fine and free floating use 2 mL of Coptrol per 1000 Litres (1 cubic metre) of water. That is equivalent to 2 Litres of Coptrol per 1000 square metres of surface area.
If the algae is long and stringy use 5 mL per 1000 litres of water (1 cubic metre) or 5 Litres per 1000 square metres of surface area.
4. Dilute the required amount of Coptrol using a 1:10 or even a 1:20
Coptrol water dilution.
5. The best application method is by spraying. Apply on a sunlit
wind free day when algae first appear. If this is impractical look
If you still need help call RCI at no cost to you.
where our free call numbers are displayed.
Or you can email RCI using this
Frequently Asked Questions
and Environmental Safety
Material Safety Data Sheet
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