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Features of PuriFalls Waterfall Filters
The water comes up through the filter mats, up through the bags of ceramic rock that provide more surface area for bacteria and help hold the mats in place, and then up through baskets of plants. The basket can have a thin layer of gravel in the bottom to hold it in place and floating plants in it for the water to filter through the roots. Or, the basket can be filled with gravel and shoreline types of plants planted in it.
With the plants growing in the top of the PuriFalls, it looks more like a natural spring and is easier to hide. It can help to cut a groove in the bottom of a rock or two and slide them over the vertical edge of the box to help hide the box edge. Dry land plants that have big leaves, like hostas, can be planted in the ground right next to the box so they can also help hide the box.
Waterfalls attract attention. Why have the attention drawn to a pile of rocks or a plastic lid when it could be drawn to flowering plants? There is no need to cover the waterfall box to keep out leaves and dirt any more than you would cover the pond itself to keep out leaves and dirt.
Note: If you have a pump that is larger than the recommended flow listed for that model, there is a potential that some of the water will flow over the back of the box. Thick waterfall stones can back up the water too much as well. If there is too much flow, add a tee to the pipe and divert some water back into the pond or into the stream rather than just trying to slow the flow from the pump. |
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The waterfall filter looks best as a natural spring and not a slot in the ground spitting out water. The typical way to install one of these boxes is to have the box buried in the ground so the soil or mulch comes up the back three sides to within an inch or two of the top. The box can be installed on the pond edge or at the beginning of a stream that flows back to the pond.