Household Potable Water Supply (Drinking Water Tanks)
Is it approved?
Coptrol is approved by the APVMA (Australian Pesticides and Veterinary Medicines Authority) for application in potable water (water suitable for drinking) reg no. 31030 and can be sprayed, dripped or flown onto waterways to treat blue green algae.
What species of algae are most important?
The most important group of algae affecting potable water supplies are those described as blue greens.
There are a number of species of blue green algae and many of them produce highly toxic compounds that directly target either the liver or central nervous system. In their purified form these toxins are more potent than either arsenic or cyanide.
When a potable water storage system is contaminated by blue green algae it is important to minimise algal cell growth as algae cell population is directly linked to toxic concentration. Large blooms invariably lead to higher levels of toxin in the water.
Early treatment best
We recommend early treatment as this strategy ensures large numbers of toxin producing blue green algal cells can be prevented from developing into a bloom, it also ensures the most cost effective use of Coptrol.
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