| http://www.w3.org/ns/prov#value | - Carbon is said to have an affinty for metals, and considering that plant's also need metals such as Iron,magnesium, and perhaps other's that we add in the way of fertilizer's,,it does not seem to me to provide a benefit to planted tank.(course it do not last long either) Have spoke to other's who claim that carbon does not really have such a negative effect on planted tank's but these folks in large
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