Filamentous algae can develop in livestock drinking waters during summer restricting livestock from access to the water.
Most supplies in Australia are usually fed from either a main concrete tank or a turkey nest. For best results dose the header tank or turkey nest at the rate of 5 mL of Coptrol per 1000 Litres of water.
For example 20000 L tank will require 100 mL of Coptrol (20 x5).
The most practical way to apply Coptrol in this situation is to mix the required amount of Coptrol in either a watering can or bucket, fill the can or bucket with water and then disperse the mixture evenly over the surface of the tank or nest. Coptrol is perfectly safe in the drinking water and will not affect livestock.
Remember it takes about 48 hours for Coptrol to take effect in the trough and if animals are regularly using the trough. Coptrol has little chance to work if the treated water is consumed before Coptrol can start acting. So if possible restrict access to the trough or portion of the trough till the algae are removed.
Warning: If you are sourcing water from a dam or pond be certain you are not supplying water contaminated with blue green algae.
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