The Planted Tank Forum - View Single Post - 20 Long Plant Collection
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Old 07-09-2013, 02:39 AM   #2
Algae Grower
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It looks great! I'm getting ready to set up a 20 gallon long planted tank as well. I'm just starting out with planted tanks and I have seen many people mention EI. Would you be able to point point me to a good explanation of what this is? Thanks!
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