zoul
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Jun 25, 2006, 8:52 AM
Post #10 of 13
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Dear Miah
While your having problems with your pond, take time to take out the rock and stones in the bottom of the pond.
You might like to construct a vegtable filter with them.
Quite a few People on the forum have regreted putting rocks in their ponds.
I have a thingy on vegtable filters...
Vegetable Filters
Biological filters convert the most toxic elements of decay and fish waste into less harmful compounds.
Two of these, "Nitrates" and "Phosphates" can build up in the water and create problems such as water discolouration, algal growth and greater susceptibility of fish to disease. Chemical filtration can be used to reduce or remove these compounds but this can be expensive, especially in the larger pond. Regular partial (Not more than 10% of total volume) water changes also help. An alternative is construction of a vegetable filter.
These are usually constructed adjacent to the pond and consist of a lined area around 10 inches to 15 inches deep (25 to 38 cm.) filled with gravel. The area of the filter should be as large as possible. Plant out with quick growing, heavy Nitrate feeding plants such as Crassula, Nasturtium Aquaticum and Eleocharis. Water from the biological filter can be fed through the vegetable filter prior to returning to pond or alternatively pump fed directly from the pond.
A great bonus is creation of a bog environment which will enhance the landscaping of the immediate pond area and attract a host of wildlife.
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Re: [Miah] My 1st pond
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