The Planted Tank Forum - View Single Post - Fern has black spots, gettin worse!!
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post #4 of (permalink) Old 12-05-2012, 07:48 PM
Darkblade48's Avatar
Join Date: Jan 2008
Location: Toronto/Singapore
Posts: 10,137
Originally Posted by kkoch View Post
I didnt want to start using fertilizers but maybe I will have to. I currently only use Prime in my tank. The rhizome is the root system?
The roots are brown in colour; the rhizome is the part that the roots are attached to and will appear green. As mentioned, it should not be buried in the substrate.

Also, if you are noticing some brown spots, it is possible that it is all perfectly normal; Java Fern propagates in this manner.


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