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Advice sought from Pond People
SjT wrote in message ... Baron Von Strawberry sayed: Buy some Barley straw from your local aquatic centre and chuck a bag into your pond. The water won't go green and it kills off the blanket weed. As the straw rots it gives off bacteria that eat the blanket weed etc. Is this true? or an Aprils fool? It is true about the algae bit but the quantities have to be quite precise - there is a ratio for straw to water volume, google should provide the answer. As for the bacteria bit ? I think the poster is a little confused - decaying organic material doesn't 'give off' bacteria - it is the action of bacteria already in the water that break the organic matter down into ammonia, this is further broken down by oxidisation to Nitrates and Nitrites. Certain levels of these are essential for a healthy pond, ammonia and nitrates provide food for aquatic plants - very high nitrates however will lead to very poor water quality and ultimately kill the pond. This is why you should prevent an over-accumulation of decaying leaves, fish shit and frog shit on the bottom of your pond - the smell of that black sludge from the depths of the pond is also equisitely disgusting. |
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