Quote:
Originally Posted by itchy
Not really nevessary for aldercone. What do you expect after adding it?
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Same benefits as Ketapang leaves.
Tannins leach into tank water, many real benefits, for one eg :
https://drive.google.com/file/d/0B5P...w?usp=drivesdk
Different countries and climates use different things eg oak/maple/ketapang leaves, fir cones :
http://www.tfhmagazine.com/details/a...ll-article.htm