Garth Posted February 9, 2017 Report Share Posted February 9, 2017 I keep about one third of my pond surface area covered with plants. Over time, some of the leaves die, and fall to the bottom of the pond. Gradually the water has become tea coloured, which I understand is caused by tannins in the water from the leaf degradation (I can't think of the right word just this second!). Apparently activated carbon clears the water. I am experimenting with just a simple bag of charcoal hanging at the inlet to the pond, which I washed thoroughly before adding. It seems to be working, my water is slowly clearing. So, this may also be protecting me from any chlorine spikes? Where have any of you sourced activated carbon, which would be even better, albeit more expensive? Link to comment Share on other sites More sharing options...
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