unless you want to change the water in your pond 5 times in 5 days.
i have used the product previously, it was bought because i know it works.
the item does "what it says on the tin"
have used this product in the passed does not all together remove the algae but keeps it under control. local businesses and everyone in the local community will be as pleased as we are that this work has been completed ahead of time.
"everything went to plan which has enabled the road to re-open more than two weeks early." 