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Remove & Prevent ALGAE growing on exposed concrete paths by using Copper Sulphate

Currently have Copper sulphate powder -CU as Sulphate 25 %S 12 %.

What is your dilution rate to kill or prevent ?

Submitted: 10:01AM, 24 Oct 2014
Answer: Yates Bluestone Copper Sulphate in the same concentration can be used to control algae on paths. Dissolve 5 gmin a 9 litre non- metallic watering container and apply over the affected area.
Answered: 04:43PM, 02 Dec 2014

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