The Planted Tank Forum - View Single Post - What is the hardest plant you have ever grown or attempted to grow?
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post #29 of (permalink) Old 12-13-2012, 06:10 PM
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Join Date: May 2007
Location: Bay Area
Posts: 993
Elatine Hydropiper. Not that I can't grow it, but very unforgiving on changes, especially CO2.

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