06-29-2012, 07:07 PM
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Originally Posted by Nemo the Clownfish
I recently had some brush algae invade a sword plant that I havent identified (please i.d. someone!) and I believe it has gone away and the whole plant is perkier. I think the pond snails? have been really helping out. I'll check again and write back if the algae has come back. I hope it's not an incurable disease.
What's the difference in composition of tabs and Flourish Comprehensive Supplement? I have both, but I'm waiting till the tank looks like it wants it before I use liquid (maybe it's time). I also have soft, alkaline tap water and I'm using Equilibrium to add minerals to it.
A complete liquid fertilizer is more important than substrate tabs. Some plants assimilate nutrients more via the leaves, and all plants assimilate some nutrients only through the leaves, so these nutrients in the substrate are pointless.
If you check the ingredients (on the packages or Seachem's website) the same nutrients are in both. The advantage of the tabs is getting m ore of these nutrients closer to the roots of plants like swords which are heavy root feeders. These plants will do fine with just the liquid, but using both does improve growth. But there are other plants (non-substrate rooted, floating, and many stem plants) that will derive little or no benefit from substrate fertilizers.
With soft water, fertilization is essential. While Equilibrium is targeting the hard minerals, these are also in the Flourish liquid and tabs.